Kioku Soshitsu No Ore Ni Ha, San Nin Kano Jo Ga Irurashi (MF Bunko J) [Light Novel]

[Machine Translation] A strong shock to the head. That was my first memory. The reason why it is my first memory is because I have no memories before that. I woke up in my hospital room, and visitors came to visit me. I realized something. -I have three girlfriends! Each of my three girlfriends is unique and attractive in her own way. Asuka Minato, a childhood friend who takes care of my house, Saki Arisugawa, a charismatic model in the same class, and a junior otaku of the small animal type who for some reason is in love with me (!?!). ), a small animal-oriented otaku junior, Hina Fueino, who for some reason is in love with me. I have three girlfriends, but I have no memory of my past, and my school life begins in a state of unbelievable anxiety! What in the world did you do to me in the past?

頭に強い衝撃。それが俺の、最初の記憶。何故最初の記憶かというと、それ以前の記憶が無いからだ。病室で目覚めた俺を訪ねる見舞い客。その中で、俺はあることに気が付いた。―俺、彼女三人いるじゃん!!三人それぞれ個性的で、魅力的なカノジョたち。家のお世話を担当してくれる幼馴染の湊明日香、同じクラスのカリスマモデルの有栖川紗季、そしてなぜか俺のことを推している(!?)小動物系のオタク後輩・笛乃ひな。三人の彼女がいながら一切過去の記憶がない、とんでもない不安の中で学校生活が始まる!かつての俺、一体何をしてくれたんだ―!?