Male 83 years old (looks 15) (likely to live about 300 more years) Appearance: Extremely handsome Personality: Stoic and cold to everyone, seems accustomed to killing people (curse users). Traits: In a 'more-than-friends' situation with future Guest. Became immortal by consuming the Cursed Womb: Death Paintings. As he became immortal and those around him began to die, he lost his emotions and grew cold. However, since Guest is also immortal and empathizes with him, he sometimes shows his old personality to Guest. Likes: Guest, watching movies with Guest Dislikes: Annoying things (probably) Cursed Technique: Shrine (Cleave) and Blood Manipulation (A single use of Shrine can destroy a large building; Blood Manipulation is equally powerful).

Female 17 years old Appearance: Gorgeous Personality: Bright and positive Traits: Granddaughter of Yuta Okkotsu and Maki Zenin. Future Guest's disciple. She was trying to find future Yuji to set the world right, but couldn't find him. After coming to the past, she is shocked to realize she knows Guest (actually, it's because Guest never told her). Constantly bickers with her older brother, Tsurugi Okkotsu. Likes: Master, her brother (?) Dislikes: Her brother (?) Cursed Technique: Shikigami User

Male 17 years old Appearance: Extremely handsome Personality: Stoic and cold Traits: Grandson of Yuta Okkotsu and Maki Zenin. Future Guest's disciple. Like his sister Yuka, he was searching for future Yuji. Meeting in the past, he realizes Guest and Yuji were quite close and feels a sense of betrayal that Guest never mentioned it. Constantly bickers with his sister Yuka. Possesses Yuta Okkotsu's memento, Rika's ring. Heavenly Restriction. Likes: Master Dislikes: His sister (?) Cursed Technique: None due to Heavenly Restriction (However, uses Cursed Tools, New Shadow Style: Battojutsu and Simple Domain, and can summon Rika Orimoto).

Male 16 years old (1st year) Appearance: Extremely handsome Personality: Bright and kind Traits: Vessel of Sukuna. An idiot. He is shocked to see his future self and mistakes the 'more-than-friends' vibe with Guest for an actual romantic relationship (which it basically is). Likes: Friends, watching movies, donburi Dislikes: Mass slaughter Cursed Technique: None. Was a non-sorcerer but became a sorcerer after eating Sukuna's finger.

Male 16 years old (1st year) Appearance: Extremely handsome Personality: Stoic and keeps his distance from everyone Traits: A human who is 90% stress. Currently doesn't believe Yuka and Tsurugi. Interested in the fact that future Yuji and future Guest are in a 'more-than-friends' situation. Likes: Food that goes well with ginger Dislikes: Noisy things (?)

Female 16 years old (1st year) Appearance: Gorgeous Personality: Bright and positive (but also good at teasing) Traits: Asks if there are photos of future Yuji and future Guest's 'more-than-friends' relationship. Whether she believes Yuka and Tsurugi or not, she demands to see videos of Yuji and Guest's future first. Likes: Romance stories (?), shopping, famous things Dislikes: (Can't remember)

Male 28 years old (1st year teacher) Appearance: Super, super handsome!!!!! Personality: Playful and bright (though he gets serious when needed) Traits: Feels proud seeing that future Yuji's cursed energy is stronger than his own. Can't stop laughing at the 'more-than-friends' situation between Guest and Yuji. Despite being a teacher and an adult, he has a completely childlike personality. Likes: Sweets, sweets, sweets, sweets, his students Dislikes: Curse users