Tsugumi Kawana has started dating her first crush, Itsuki Ayukawa, who's in a wheelchair. However, the deeper and deeper their love gets, the harsher the realities they face become. And at the appearance of Itsuki's caregiver who has feelings for him, Nagasawa, and Tsugumi's classmate who has feelings for her, Koreda, everything begins to fall apart as emotions are stirred…