Kiokusoushitsu no Ore Niwa, Sannin Kanojyo ga Irurashii

A sudden, forceful impact to the head is the first memory. The cause of this being the first memory is due to having no recollection prior. Awakening in a hospital, with visitors arriving, a realization occurs: there are three girlfriends. Each of the three is distinct and appealing in their own manner. One is a childhood friend who manages the household, another is a charismatic model from the same class, and the third is a small, cute junior girl with an interest in otaku culture. Possessing three girlfriends without any memory of them, the start of school life is marked by overwhelming anxiety. The question remains: what actions led to this situation?