A to F (Alpha Bitch, Bitch in Sheep's Clothing) | G to L (Gold Digger, Humiliation Conga) | M to R (Obnoxious In-Laws, Relationship Sabotage) | S to Z (Spoiled Brat, The Unfavorite, White-Collar Crime)
Some episodes feature characters being neglected, ignored, and even bullied in favor of a sibling, be they older or younger than the MC. Depending on the character cast as the favorite, they can bully their estranged sibling as an adult or still love them despite their parents' coddling. Therefore, it warrants MoniRobo a The Un-Favourite subpage.
Specific characters that are repeatedly cast in this role have their own folders.
Nano Nomaru's Episodes
Nano is often depicted in this role, with whatever character who plays her sibling (usually Rena Yakamashi) being doted on and usually ending up spoiled rotten.
- In "My uncle only cares about my little brother and kicks me out of the house..."
, she was neglected by her uncle who only cared about her little brother Yuki. Unlike most examples, Yuki actually loves her and was sad to see her go. - "My mom and sister are trying to kick me out of the house I spent so much money on": Her older sister Kusumi was favored over her. Even when Kusumi told their mom she would take care of her, only to default and force said responsibility on Nano.
- "My parents only loved my older sister and gave me away...": She is neglected and mistreated by her parents while they spoiled her older sister rotten. When she turned 18, her parents gave her away to a strange man, but it turns out she was going to marry his son, Masayoshi.
- "My Boyfriend dumped me for my sister…": Her parents favor her younger sister Rena over her because to them, the latter is pretty unlike her. When she was dating her fiancé Sorao, Rena breaks them up by slandering Nano to him. Unfortunately, Sorao falls for it, kicks Nano out of his house, and marries Rena instead.
- "My spoiled sister crossed the line so I got revenge!": She was mistreated and ignored in favor of her younger sister Rena, whom their parents raised like a princess and gave what she wanted, no matter how unreasonable.
- "My sister stole my husband from me…": Nano was neglected and regarded as a mistake by her parents, who liked her younger sister Rena more than her. While Rena attended Nano's wedding and showed happiness for the children they were going to have. Turns out she had ulterior reasons as she kept contacting Nano while the latter was pregnant; she stole her husband Sorao two years later after she had her daughter Sakura and expressed her intention to marry him to become the girl's mother instead.
- "Sister stole my fiancé from me…": She was ignored in favor of her older sister Rena, whom they doted on and even gave money to pay for alimony debts while having Nano take out student loans.
- "My sister broke into my house, renovated it, and threw a party not knowing that": Her older sister Rena was favored over her, no matter if she snuck into Nano's room to scrawl, scratch, or punch holes in the walls. As they grew older, their parents gave Rena unlimited allowance while demanding receipts from Nano so she could buy necessary school supplies. However, Rena's annoying habit caused Nano to become an expert at DIY crafts.
Yuki's Episodes
Yuki also gets this treatment in the episodes starring him as the main character.
- "I lose sight in my eye and get thrown away on the woods, only to become a CEO": He lost favor with his parents due to him losing his right eye to an accident that he saved his brother Ryugi from. Ryuji eventually grew up spoiled and ended up arrested when he tried to take advantage of a patient as a doctor.
- "Family kicked me out of the house… Then…": A car accident rendered him paraplegic when he was in eleventh grade. Thus his parents ditch him as the next CEO and focus on his sister Rena to have her marry a rich guy and birth them a grandson to make into the next CEO instead. However, Rena couldn't care less about their goals and frivolously spent their money on clothes and makeup.
- "Mom kept stealing money from me…": While Yuki was abused by his mother who only kept custody of him for the child support money, she remarried and favored her stepdaughter Rena over him. However, they both switched gears when Yuki presented his fiancée Haruka, who was the daughter of a CEO, as they wanted to leech off of him. However, Haruka did background checks on Yuki's family and brought his brother Yugo, who became a lawyer.
Kei Miyanohara's episodes
- The little brother made a bombshell speech at his older brother's wedding": Kei Miyanohara was neglected and unloved by his parents in favor of his brother Rei, who they put up as the heir.
- "My parents and little brother sold their house, so they came to take mine": Kei was neglected and abused by his parents in favor of his brother Rei, who they spoiled for being good and studying unlike Kei, who was good at sports. However, after he married Kyouko and was expecting a child, his abusive family returned to take the couple's house after selling theirs; it turns out Rei quit his programming job because of a reprimand from his boss, and his dad's pay was cut. In retaliation, Kei let them in the house until the house's contract ran out and the staff demanded them to vacate the premises.
Miscellaneous
- My family mistreated me so I left... A few years later, everything changed...: Masae Ariki was not treated well by her mother in favor of her sister Tsumugi, because the latter is more attractive. Masae lost weight and got a job while Tsumugi got married to a rich man who ended up leaving her due to her weight gain and bad attitude. Tsumugi and her mother tried to get money from Masae but she refused.
- My mother abused me and prioritized my sister over me all the time: Charako was neglected and abused by her mother because her sister Maki is more attractive than her. She even sold the house, kicked Charako out, and even told her not to show up at Maki's wedding.
- A foster daughter with disability gets abandoned by her family…: Saori got neglected by her foster parents after their biological son Takuya was born.
- My older sister stole all of my boyfriends…: Hanayo Sachiusu was neglected by her parents in favor of her sister Reina. Whenever Reina got tired of her toys and clothes, these were passed down to Hanayo.
- The parents who only loved my brother: Tsugumi was hated and mistreated by her mother Yoshiko and her stepfather Hayase, while they doted on her younger brother Kento. When she got into high school, she was forced to work to bring them money.
- Here's what happened when I was chased off by dad who only cared about my sister: Risa Inagaki was neglected in favor of her older sister Miyu since their father believed the eldest child should be the heir. This enabled the latter to boss Risa around and even force her to take care of their baby brother Kazuya.
- A spoiled brat beat me and my friend up and tried to use money to hide it...: Mari Saijou was mistreated by her parents for not being an overachiever and deemed the useless member of the family while favoring her brother Masaki.
- Husband abandoned our autistic daughter and ran off with the younger brother: Sakura was neglected by her father Sorao for being autistic, especially when her brother Yuki was born. The situation escalated to the point he took Yuki away and left only Sakura.
- My sister stole my boyfriend. But, at the end, she finds out the truth about him. [sic]: Nobuko was neglected by her parents and the whole community in favor of her younger sister Atsuko, as the latter was considered pretty, leading to her becoming spoiled and stuck-up. Even her ex-boyfriend Kunihisa dumped her after meeting Atsuko for the first time.
- My sister looks down on me and even tries to steal my fiancé: Kyoko Fushimi was mistreated and scolded for her appearance and treated like a slave by her older sister Eriko, whom their parents dote on for being pretty. Whenever she objected to Eriko's abuses, the latter comes crying to her parents to scold her. Even in their college years, Eriko is still the same stuck-up girl who treated her like a slave.
- My twin sister tried to steal my husband…: The introvert Tomoka was neglected and ignored in favor of her extroverted younger twin sister Honoka, who always went crying to their parents whenever she took her to task for stealing her stuff. Even as adults, Honoka used the same tactic to strongarm Tomoka into applying for jobs on her behalf, driving her to leave for the States.
- My sister tried to steal my fiancé…: Taeko was singled out and neglected in favor of her younger sister Chieko, as the latter was pretty unlike the former. While their mother was surprised that Taeko managed to get married before Chieko, she changed her mind after finding out Taeko's fiancé Shinichi was a rich CEO from her job.
- My family abandon me on a trip abroad because I am disabled: Ever since she lost one of her legs in a car accident because her sister Yuuna grabbed her hat when they left the supermarket, Noa was viciously bullied by her mother while Yuuna was doted on and joined in on the bullying.
- My toxic sister tried to ruin my wedding…: Miyu's older sister was more favored than she was, therefore their parents pressured Miyu to be more like her. Even her sister herself put Miyu down when she tried to get a job and tried to ruin her marriage by exposing her infertility to the groom, only to have her plans foiled when Miyu revealed she was pregnant and the groom's determination to marry her instead of the sister.
- "I introduced my boyfriend to my toxic parents… Then…": Sakura was neglected and bullied by her parents while her older sister was doted on and spoiled. When she introduced her blind boyfriend Masayoshi to her parents three years later, they bullied him as well.
- "My family made fun of my disability, until I became a CEO…": Misaki was neglected by her parents after her legs were paralyzed caused by her older sister Sakiho pushing her off a cliff. They sent her off to live with her grandparents when the girls entered middle school. As a result Sakiho grew up spoiled and years later when Misaki became a successful CEO, they tried to beg her for money to pay for Sakiho's debt after she was caught having an affair but Misaki refused. Misaki exposed the truth at Sakiho's wedding leading to her fiancée calling off the wedding and suing the family for damages.
- "Saved my sister from my toxic parents…": Takuma Nishikado was ignored and neglected in favor of his younger sister Yuri because of her looks; they spent so much money on her as they wanted her to be an entertainer to make them rich. Years later after they left him for Tokyo, Yuri still misses him and revealed her parents overloaded her with work on top of her schoolwork to the point she couldn't sleep.
- "Stepsister who was mean to me learns a lesson about life": Yoko Okita was treated like a slave by her mother and stepfather because her stepsister Shiomi was considered good-looking. This caused her to fall behind in her near-perfect scores at school and had to lie to her teachers not only to avoid her parents' wrath but because the last time she tried to discuss it with a teacher, he told her to "be more considerate." When Shiomi announced she wanted to go to an expensive college, they decided to pull Yoko out of junior high and have her work to provide for her tuition, even going as far as having her sell her body at a shady shop.
- "Found out I wasn't related to my mom… Then…": Sumie Kiritani lost favor from her mother Kayoko when her younger sister Ikumi turned six years old, spoiling the latter and forcing the former to work to provide for Ikumi's college tuition. Turns out Sumie and her mother weren't related by blood and spoiled Ikumi for that reason. However, Ikumi still loved her when they reunited years later.
- "My sister-in-law ran me over but my mother-in-law defended her" depicts Masayoshi of all people as this; his younger sister Rena was doted on by his mother, who even paid as much as she could for her wedding, on top of bullying her daughter-in-law Nano.
- "My family treated me like crap…": Masayoshi was neglected and ignored in favor of his older brother because his parents wanted a daughter instead. However, his grandmother was the only person in his family who genuinely cared about him, even when he left the house to escape his abusive family. Moreover, when the older brother had kids of his own, he neglected his younger son Yuki for the same reason as his parents and called Masayoshi to adopt the boy once their grandmother became bedridden.
- "My little sister ruined the contracts I had with a client...": Mizuna Kyougoku was ignored by her parents in favor of her half-sister Miyuki since the latter had excellent grades in middle school unlike her, and because Mizuna's appearance reminded her mother of her previous husband. Moreover, her parents announced that she had to leave the house after graduating from middle school.
- "My parents only paid attention to my sister, who tried to ruin my special day": Hana Todoroki was mistreated by her parents while her older sister, Yuu, was spoiled rotten to the point of bullying the former. The abuse Hana went through was so severe that Grandma Atsue decided to take her in. Years later, Yuu found out Hana was going to have a coming-of-age ceremony and went out of her way to bully Hana into not wearing a kimono for her coming-of-age ceremony because Yuu didn't get to wear one because of becoming pregnant at the age of 19. Moreover, she manipulated her five-year-old daughter Ururu into spilling coffee on the kimono.
- "My sister begged me to came back but...": Despite coming from a privileged family, Miyuki Todo was mistreated in favor of her sister, Nanami, by their mother for not being as smart as the latter. Moreover, their mother barred Miyuki from attending college and demanded she get a job right after graduating from middle school. While she eventually caved in after falling ill from studying hard and got a pet to help her through with work, she finally paid her mother back and left the house with her dog. When their mother started to die from cancer, Miyuki revealed she got a job at MoniRobo Trading, with a dumbfounded Nanami remarking that the company rejected her unlike the former.
- "My step-sister tried to steal my husband…": Ever since her mother married a man with a daughter, Misuzu's life changed for the worse after meeting her younger stepsister, Chizuru. The latter always resorted to Crocodile Tears and accusations of bullying against the former if she didn't cave in, and Misuzu's mother fell for them. Years later, when Misuzu announces she's getting married to a CEO's son, Chizuru glares at her and swears to find herself a richer husband than Misuzu's. But after Misuzu marries Naoya, the CEO's son in question, Chizuru goes back on her promise and goes out of her way to seduce him.
- "My parents didn't show any love towards me but once I got successful...": Karen was neglected in favor of her older brother Hiroki because he was the eldest son and therefore the future head of the family. Moreover, he grew spoiled as time passed and their parents took any money she was given for the holidays for Hiroki. Even when he wasted the massive allowances he was given on crane games, their parents still doted on him. Things escalated when the couple forced her to attend Moni High School and then demanded she quit after a year so that Hiroki would attend.
- "My parents only loved my sister, and my sister was mean to me...": Sachi was put aside in favor of her twin sister Yumi because of the latter's beautiful looks. Moreover, she grew spoiled to the point of using Sachi as a Homework Slave and stealing money from her while threatening to tell their parents to cow her into submission. Things escalated when Sachi was screwed out of an important meeting to enter Sokei University and learned that their parents refused to let her go to the college because they wanted to spend on Yumi's college. After graduating Sokei with a scholarship and landing a good job, Yumi called her to announce her marriage to a doctor whose father owned a huge hospital and invited her, only for Sachi to not show at the wedding since she cut ties with them.
- "My parents only loved my brother because he was talented and threw me out but...": Azusa Maekawa was put aside in favor of her baseball-star brother Daisuke because their father was a fan of the sport and played in the kids' team in his youth. Moreover, their mother, Ayako, even joined in to make Azusa do his homework and bar her from joining any clubs or extracurricular activities to spend everything on Daisuke. The only relative who did care about her was Auntie Naoko, whose house she went to for piano lessons. Things escalate when the Maekawas dump Azusa on Naoko's house while they go to Tokyo as Daisuke is scouted to become a baseball pro.
