Beware of unmarked spoilers.
- Absurdly Youthful Father: To Hanyuu and his second child, physically.
- Action Dad: See above.
- Cassandra Truth: When Hanyuu is kidnapped by Ren in Arc One chapter 3, he tells Kagome that he smelled a monkey (Ren had disguised himself with a monkey pelt to hide his scent). Kagome is naturally skeptical that a monkey kidnapped Hanyuu.
- Informed Ability: The fact that the Red Tessaiga cannot shatter all barriers has been lampshaded twice.
- Panicky Expectant Father: In the opening chapter, due in part to Kagome going through a Screaming Birth.
- Papa Wolf: To Hanyuu.
- Action Dad: See above.
- Mama Bear: To Hanyuu.
- Screaming Birth: Undergoes one in Arc One chapter 1:Kaede: Push!
Kagome: I AM PUSHING, GODDAMMIT!! I'M PUSHING AS HARD AS I CAN! YOU WANNA SWAP PLACES WITH ME SO YOU CAN TRY?!
[Inuyasha whimpers in fear, Kagome shoots him a Death Glare]
Kagome: (to Inuyasha) WHAT THE HELL ARE YOU WHIMPERING ABOUT?! IF YOU THINK I'M SQUEEZING OUT ANOTHER KID FOR YOU, YOU'VE GOT ANOTHER THING COMING, MISTER! FIND SOMEONE ELSE TO DO IT FOR YOU!!
- On top of it all, Inuyasha actually thinks she's serious until Kaede assures him that Sango went through the exact same thing during her first childbirth.
- Action Dad: He does have three kids.
- The Alcoholic: He loves putting away sake.
- Cassandra Truth: On two different occasions, he claims that he's seeing dancing, singing pink elephants, but everyone simply believes he's hallucinating from the sake. In Arc One chapter 36, it's revealed that the elephants are real.
- Handsome Lech: Being Happily Married to Sango hasn't curtailed his womanizing one bit, much to Sango's annoyance.
- Action Mom: Goes without saying, really.
- Close-Call Haircut: A fireball from Ren sets the end of her ponytail on fire during Arc One chapter 31, forcing her to cut her hair down to her shoulders, much to her dismay.
- Double Standard: Abuse, Female on Male: She still pounds Miroku for getting drunk and/or womanizing.
- Lap Pillow: In Arc One chapter 6, she comforts a weeping Kagome in this manner after Hanyuu's apparent death.
- Big Damn Heroes: In Arc One chapter 4, he shows up just in time to catch a falling Hanyuu.
- Interspecies Romance: There's a bit of Ship Tease between him and Akane, Sango and Miroku's eldest daughter.
- Really 700 Years Old: Chapter 34 of Arc One confirms that she was Midoriko's sidekick hundreds of years ago.
- Ship Tease: Between him and Rin.
- Back from the Dead: In Arc One chapter 7, she's resurrected by Arina and Ren along with Naraku as part of their plan, though this time, she's in a truly alive, flesh-and-blood body rather than in an undead clay one.
- Came Back Strong: The ritual Arina and Ren use to resurrect her makes her even more powerful than she was before.
- Friend to All Children: In Arc One chapter 12, she hits it off with Hanyuu right away.
- Interspecies Romance: With Sesshomaru.
- Kryptonite Factor: In Arc One chapter 12, she acquires a bow composed of Dragonsbane, which serves as this to dragons.
- Big Brother Instinct: In Arc One chapter 6, he looks out for Inuyasha and decides to chase down Arina and Ren on his behalf, much to Inuyasha's bewilderment.
- Dope Slap: In Arc One chapter 22, he punches Inuyasha in the head when he starts shouting for Kagome, telling him not to "start that again."
- Interspecies Romance: Between himself and Kikyo.
- Jerk with a Heart of Gold: As pointed out by Rin in Arc One chapter 35.
- Back from the Dead: Is resurrected along with Kikyo by Arina and Ren.
- Really 700 Years Old: In Arc One chapter 34, it's revealed that he was alive during Midoriko's time, having been a simple merchant and the lover of Haya, Midoriko and Magatsuhi's child. After the Shikon Jewel was created, he was bitten by a demonic spider which granted him increased lifespan and the trademark spider scar on his back.
Akane, Setsuko, and Hiroshi
Sango and Miroku's three children.
- Always Identical Twins: Akane and Setsuko.
- Color-Coded for Your Convenience: Akane wears a pink kimono while Setsuko wears a green one.
- Interspecies Romance: There's Ship Tease between Akane and Shippo.
- Smooch of Victory: Akane kisses Shippo on the cheek to thank him for saving her and her siblings from Arina and Ren.
Inuyasha and Kagome's daughter; the fic opens with her birth.
- All Genes Are Co-Dominant: She looks like a human with black dog ears, purple hair, claws, and fangs.
- Artistic License Biology: Is referred to as a half-demon, but technically, she's only 1/4th demon.
- Brought Down to Normal: Like all half-demons, she becomes a powerless human one day a month; in her case, on the night of the full moon.
- Child Prodigy: She has unusually high mental clarity from the minute she's born, realizing that Ren is kidnapping her, recognizing Kagome's fear of Arina and Ren and trying to calm her down, and even managing to write her name.
- Cute Mute: She develops the ability to speak telepathically instead.
- Expy: Appears to be based on Furude Hanyuu from Higurashi: When They Cry in both name and design, though she has black dog ears as opposed to horns.
- Friend to All Children: In Arc Two chapter 9, a group of wolf demon cubs are instantly smitten with her.
- Meaningful Name: "Hanyuu" is one letter away from "hanyou."
- Rapid Aging: A month after her birth, she's physically in her early-to-mid teens.
- Reincarnation: Of Haya.
- Strong Family Resemblance: Is noted to more closely resemble Kagome than Inuyasha.
- Three-Month-Old Newborn: From the minute she's born, she has a full head of hair, can open her eyes, and even laugh and smile.
- Unusual Ears: She has black dog ears that are stated to be bigger than Inuyasha's and point downwards slightly.
- Winged Humanoid: From Arc One chapter 45 onwards.
- You Gotta Have Blue Hair: Purple hair in this case.
Part of the Big-Bad Ensemble of the first arc, though she reforms at the end of Arc One.
- A Birthday, Not a Break: Arc One chapter 7, which consists of a flashback detailing Arina's backstory, establishes that her Start of Darkness occurred on her eleventh birthday.
- Arc Villain: As stated already, she is the main villain of Arc One.
- Elemental Powers: She's an elemental demon.
- HeelFace Turn: At the end of the first arc.
- Interspecies Romance: She's an elemental demon, Ren is a Shikigami-powered human/dragon.
- Teleporters and Transporters: According to Ren, "teleportation is her specialty."
- Well-Intentioned Extremist: Everything she did throughout the fic (kidnapping Hanyuu and Sango and Miroki's kids, resurrecting Kikyo and Naraku, etc.) was all so she could help Ren get back home to the future... which turned out to be unnecessary, since Ren is perfectly comfortable in the Feudal Era.
- Arc Villain: Along with Arina, he's the primary villain of Arc One.
- Breath Weapon: Fire.
- Implausible Hair Color: He and his sisters are natural Japanese redheads.
- Instant Awesome: Just Add Dragons!: He can turn into a dragon.
- Outnumbered Sibling: Has two sisters, Tomoyo and Yuki.