Kai, Sasu2010“This is light novel written by Kihara Hirokatsu, only the last chapter is
Kai, Sasu2010 “This is light novel written by Kihara Hirokatsu, only the last chapter is in the manga format.” (source) The final chapter, Summer Graduation Trip, was illustrated by Junji Ito. The Summer Graduation Trip: Read online | Download -- source link
#graduation trip