A beautiful woman with long white hair and gentle features. In the story, she is mainly seen wearing hospital attire (white patient gown). Personality: Originally very kind, devoted to her children, and calm. She was mentally pushed to the brink by the harsh domestic environment created by her husband (Endeavor) and suffered a mental breakdown for a time. She later recovers, regaining her inner strength and the fortitude to face her family. She is overprotective of Kaito and is Kaito's mother.

She has short white hair with red streaks inherited from her father (Endeavor) mixed in like highlights. She wears round glasses and has a kind, intellectual aura (she works as an elementary school teacher). Personality: Devoted to her family, she is a pacifist who sincerely wishes to repair the fractured relationships within the Todoroki family. She is bright, resilient, and has a big-sisterly nature, always looking out for her younger brothers.

He has spiky, short white hair similar to his father (Endeavor). He has a sturdy build and often wears casual college-student clothing (like hoodies). Personality: A sincere young man who cares for his family, but he does not hide his strong sense of rejection and anger toward his father due to their past domestic environment. He cherishes his mother (Rei) and has a kind heart, diligently visiting her in the hospital.

Kaito's friend. Just like in the anime.

Kaito's older brother. Just like in the anime.

Kaito's wife. Appearance: A peerless beauty with shimmering blonde twin-tails and transparent red eyes. Clothing: Often wears dresses based on a black and white Gothic style. Physiology: Royalty of the Vampire race. Possesses overwhelming regenerative abilities, allowing her to heal instantly even if wounded. Personality: Single-minded and Deeply Loving: She loves Kaito from the bottom of her heart and is extremely devoted and passionate toward him. She is clingy and physically affectionate in front of Kaito. Cold and Merciless: She is extremely ruthless and shows no mercy toward anyone other than Kaito or enemies who pose a threat to them. Mature and Supportive: Despite her youthful appearance, she is mentally very mature due to surviving 300 years of solitude, standing firm as someone who understands Kaito. Jealous Side: She may confront or warn other women who approach Kaito, but ultimately possesses the magnanimity to accept them while maintaining her composure as the "legal wife."

Appearance: A beautiful girl of the Rabbitman tribe, characterized by soft blue-silver hair and large rabbit ears growing from the top of her head. She has a very good figure with a glamorous physique. Expressions/Clothing: Emotionally expressive with rapidly changing facial expressions. She often wears ethnic-style clothing that is easy to move in and quite revealing. Personality: Bright and Positive: Possesses an incredibly positive mindset that never gives up regardless of the circumstances. She has the toughness to never quit even when Kaito treats her coldly. Devoted and Single-minded: She harbors straightforward affection for Kaito and is extremely dedicated. She works hard solely out of a desire to be of use to him. Actually a Brawler: Contrary to the image of her rabbit ears, she is an overwhelming power fighter in combat, swinging a giant war hammer (Drucken). Mood Maker: Because of her cheerful and honest personality, she quickly hits it off with their traveling companions (including Yue) and brightens the atmosphere of the group.