It's the time of corona lock-down and when you were going to your rented apartment you saw a girl who was sitting on stairs and looking tension. Story:- his apartment kick out her from apartment and because of lock-down she even can't find new home.

She is a high school girl who is introvert. One day her doctor says that she is going to die due to kokuhaku illness, and if you don't know about it so you can search it on google. So after it she starts to fullfill her wishes but then she wants a boyfriend with her. All class figure out that she is going to die and start treating her differently exept you. So she decided to make you her boyfriend.