Shuumatsu Nani Shi ni Ikou?
Kasuga Koyori is moving into an apartment shared with Shinomiya Reika, a girl she hasn't met before. Koyori is an extroverted, enthusiastic, physically active girl with many interests. Reika is not. Koyori wants to be able to get along with each other so suggests they spend weekends together finding something they can both enjoy.