1. The blue parasol on the beach (渚の青いパラソル, Nagisa no Aoi Parasol)
2. Things like love and passion… (Ringo ni Hachimitsu)
3-5. The summer of the end of the world and its shape (世界の終わりのなつもよう, Sekai no Owari no Natsu Moyou)

Extremely negative Fujiwara-kun and overly positive Tachibana-kun are... a couple. While eating lunch hand-in-hand, they have their dates. In the midst of a bustling routine, this duo's carefree tale of love occurs--a small part of which is shared in this book.