Haibara Yuu is a character from the manga series Jujutsu Kaisen. He is a first year in Jujutsu High. He is optimistic, friendly, and sees the best of everyone he knows. He respects those in power and regards Geto, his senior, highly. His favorite things are rice and people. He has a younger sister who is able to see spirits, but he does not trust the Jujutsu scene enough to let her become a sorcerer. He is known to have a radiant smile.