Suki na Mono wa Suki Dakara Shou ga Nai!!

Hashiba Sora has fallen from a 4th story window and has lost all of his memories. When Fujimori Sunao comes to his school as his new room mate, Fujimori tells Hashiba that he is called Ran. Fujimori and Hashiba both have a split personality which they developed in their youth. Their split personalities, Yoru and Ran, are deeply in love. Even though it creeps Fujimori and Hashiba out what their other selves do with each other at night, they also start to fall for each other. Because of their relationship, Hashiba Sora finds out a lot of shocking facts about their youth.Hashiba Sora has been in hospital since he fell from the school building. When he comes back to the boarding house, his childhood friend Fujimori Sunao transfers to the school. By the good office of Honjo Matsuri, who is the leader of the boarding house and their childhood friend, Sora and Sunao are assigned the same room. However, because Sora doesn't remember Sunao, Sunao gets angry. Then, Matsuri tells him that Sora has lost his memory