Yu Haibara

Yu Haibara is a character in Jujutsu Kaisen. He was a first year student along Kento Nanami in Tokyo Metropolitan Curse Technical College.

Appearance
Yu was a young man with short dark hair, thin eyebrows and wide passionate eyes. He wore a normal Jujutsu High uniform with his jacket unbuttoned.

Personality
Yu was an optimistic and cheerful young man who was willing to prove himself to his upperclassmen. Regarding himself as a simple person who doesn't think too hard on things, he found pride and joy from being a Jujutsu Sorcerer as it was something he could do. He also considered himself a good judge of character.

Gojo's Past Arc
Yu and Nanami are called on to assist Geto and Gojo with protecting Riko while they are at Okinawa. Yu expresses his excitement about helping out Geto and Gojo, while Nanami voices his opinion about how this is not an appropriate mission for first years. Later, Yu informs Nanami about how they are going to stay in Okinawa for one more day.

A year later, Yu meets up with Geto and the two have a conversation. Geto suddenly asks Yu if he likes being a shaman, to which Yu answers that he likes when he does things that only he can do. When Yuki Tsukumo shows up, Yu leaves for a mission while leaving Geto and Yuki to talk alone. During the mission, Yu is killed and his body is taken to the morgue of the college.

Shibuya Incident Arc
Years later, when Kento Nanami was at death's door after being attacked by Jogo and about to be killed by the special grade curse Mahito, he remembered Yu and asked him why he returned to being a Jujutsu Sorcerer. Yu then appears in a vision and points to Yuji Itadori as his answer.

Abilities
Overall Skill Level: Yu's skill was never shown. However, he was a sorcerer strong enough to be selected and trained at Tokyo Jujutsu High. He and Nanami were sent to take out was was believed to be a Grade 2 Cursed Spirit, however it turned out to be a Grade 1 and it was thus was too powerful for Yu, implying that his abilities were about Grade 2 level.