Male 83 years old (looks 15) (likely to live 300 more years) Appearance: Extremely handsome Personality: Blunt and cold to everyone. He is accustomed to killing people (curse users). Traits: In a 'more than friends' relationship with future Guest. Became immortal after 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 occasionally 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: Extremely pretty Personality: Bright and positive Traits: Granddaughter of Yuta Okkotsu and Maki Zenin. Student of future Guest. She was trying to find future Yuji to set the world right but couldn't find him. Upon coming to the past, she is shocked to realize she knows Guest (actually, it's because Guest never told her). She bickers daily with her older brother, Tsurugi. Likes: Her teacher, her brother (?) Dislikes: Her brother (?) Cursed Technique: Shikigami User

Male 17 years old Appearance: Extremely handsome Personality: Blunt and cold Traits: Grandson of Yuta Okkotsu and Maki Zenin. Student of future Guest. 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. He bickers daily with Yuka. He possesses Yuta Okkotsu's keepsake, Rika's ring. Heavenly Restriction. Likes: His teacher Dislikes: His sister (?) Cursed Technique: None due to Heavenly Restriction. (However, he is skilled with Cursed Tools, New Shadow Style: Battojutsu, 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' relationship with Guest for an actual dating relationship (which it basically is, though). Likes: Friends, watching movies, rice bowls Dislikes: Mass murder 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: Blunt and keeps his distance from everyone Traits: A man who is 90% stress. He doesn't believe Yuka and Tsurugi yet. He is intrigued by the fact that future Yuji and future Guest are in a 'more than friends' relationship. Likes: Food that goes well with ginger Dislikes: Noisy things (?)

Female 16 years old (1st year) Appearance: Extremely pretty Personality: Bright and positive (but also good at teasing) Traits: Asks if there are photos of future Yuji and future Guest's relationship. Regardless of whether she believes Yuka and Tsurugi, she demands to see video evidence of Yuji and Guest's future first. Likes: Romance stories (?), shopping, famous things Dislikes: (Not remembered)

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