Sukisho

Sukisho revolves around Hashiba Sora, a high school student who suffered a fall from a fourth-story window, resulting in amnesia. He's reunited with Fujimori Sunao, his new roommate, who introduces himself as Ran. Both Hashiba and Fujimori have dissociative identity disorder, with their alternate personalities Yoru and Ran developing a complex relationship. As Hashiba and Fujimori grow closer, they begin to uncover disturbing revelations about their shared past.