Characters appearing in Jii-san Baa-san Wakaegeru.
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The Grandparents
Tropes that apply to both
- Good Parents: They're both supportive and kind parents to their sons during the latter's childhood. Even after their sons are grown up and become fathers of their own children, this doesn't stop the Saitou couple from looking out for them.
- Happily Married: The two of them are greatly in love and held a stable and loving marriage up to their twilight years.
Shouzou Saitou
Voiced by Shin-ichiro Miki
Shouzou Old
Shouzou wondered about his life with Ine, having been together for fifty years already. Given their busy life and general lack of excess finances, many things couldn't be done.
A sudden dream about an hourglass that was turned around led to him turning young again, albeit with his hair remaining as gray as ever.
- Brought Down to Badass: While he temporarily reverted back to his elderly appearance, Shouzou still possesses some of his youthful vigor.
- G-Rated Sex: Implied to leave to masturbate several times. He still frequently requires the bathroom at night because their bodies are 'young' again, and one time disappears to the toilet when he gets visibly aroused at the thought of a young-again Ine in a swimsuit.
- Insecure Love Interest: Shouzou has deep feelings of inferiority regarding his worth as a spouse to Ine due to his humble background and being unable to provide his wife with the luxuries she deserves.
- Mundane Luxury: Regaining a full set of teeth alongside his youth made him happy because he could chew all sorts of foods easily again.
- Mundane Made Awesome: Some of his actions get treated this way, like trimming the hedge with a chainsaw
◊. Usually when some teenagers complain about tedious tasks and decide that it's pretty cool, after all. - Shipper on Deck: Ready and willing to lend Shouta a hand in getting closer to his granddaughter Mino. He even took Ine out of the room and gave Shouta a thumbs up, so he'd have the chance to ask Mino to the bonfire dance.
- The Power of Lust: Pretty much mentioned in-universe as to be what gave him the strength to beat his oldest son in an arm-wrestling match because a win meant they'd get a room with an open-air bath for a trip to Atami.
- Unwanted Harem: Played for laughs, he gains quite a following of women — old friends and even his own granddaughters — who are clearly infatuated with his younger looks. Though everyone knows they can't get between him and his wife.
Ine Saitou (née Sasaki)
Voiced by Mamiko Noto
Ine Young
Ine was overall happy with her life and only hoped to continue to be able to spend time with Shouzou. A sudden dream about an hourglass that was turned around led to her turning young again, albeit with still-gray hair.
- Ear Cleaning: Shown to do this to several people. First to her granddaughter Mino, and to Shouzou later, noting that it was a common thing when they were newlyweds. Even Shiori gets an ear-cleaning, albeit in secret.
- Easy Amnesia: She hits her head in Chapter 83, resulting in her reverting to her younger self, including regaining her black hair, and not remembering anything about Shouzou or her life with him.
- Mundane Luxury: She mentions being able to eat a full bowl of rice or having water coming out of the tap to be a luxury she took for granted when industrialization caused her family to lose its standing.
- Silk Hiding Steel: She's got quite a tough streak behind her laidback smile, showing that she never quite lost the toughness from her old rebellious youth.
- Uptown Girl: She came from a rich and influential family, way too out of Shouzou's league as the son of a farmer family.
The Relatives
Mino Saitou
Voiced by Shiori Mikami
The daughter of the Saitou couple's first son, Mino, is a happy-go-lucky girl.
- Cannot Spit It Out: She clearly has an interest in Shouta, but has difficulty making a move on him.
- Sibling Yin-Yang: With her cousin, Shiori.
Shiori Saitou
Voiced by Nao Tōyama
Daughter of the Saitou couple's second son, Shiori is an introverted and socially inept girl.
- Tsundere: She blurts out her true feelings about caring for her grandparents but quickly tells them to forget she said anything.
- Sibling Yin-Yang: With her cousin, Mino.
