Ruminating on his familial past and his old relationship with Masumi, Ritsu makes a surprising decision.
In the face of Megumi's questioning, Ritsu is finally willing to tell what happened between him and her sister, Madoka.
The three meet a young girl, Megumi Kagami, when they stay at a hotel for the night, and Megumi joins them.
As the group heads out on the road to Hamamatsu, Matsumi suddenly gets a distressing call from his mother.
Masumi agrees to help Ritsu take care of a body in his apartment, but it does not go as expected.
Masumi and Ritsu shared beautiful times together when they were in University, but it was ruined by Ritsu and his playboy tendencies.
Masumi accidentally runs into his old flame Ritsu in the library, which makes him recall their shared past.
A giant meteorite is headed to Earth. It's 10 days until the end of the world... Masumi Nishina, an office worker who has spent his days without purpose in life, visits the university library of his alma mater to spend his remaining time quietly. There, he meets Ritsu Kusakabe, the man who once hurt him deeply. What will happen to the two of them at the end of the world?