Hinata Asahi, a high school student who lived independently, found solace in her assortment of teddy bears. This mundanity was disrupted after the arrival of her new neighbor, Shirou Asou. Despite being considerably older than Hinata, Asou's irresistible charm drew her towards him, especially since he was also her new teacher. Hinata couldn't resist developing feelings for Asou, but the reciprocation of his affections makes her question the legality of their relationship or whether it was something else.