One day, Kyutaro Horikita, the tall, dark and handsome cleaning expert of Kurokado High, comes across a sleeping maiden named Fumi Nishioka at school… Unfortunately, their meeting is anything but...

Fumi’s image keeps overlapping with that of Fuyu, Kyutaro’s childhood crush, who remains in his thoughts to this day. Meanwhile, Fumi starts to work as a Sweeper with Kyutaro’s family,...

Fumi still has no memory of her past, but she begins to feel a sense of calm working and living with Kyutaro and his family of Sweepers. But when a...