Manga Volume 4

This is the fourth volume of the You-Zitsu manga series.

Synopsis
Kiyotaka was assigned to the lowest class D class even though he went to prestigious prestigious schools nationwide. They were waiting for the summer holidays waiting for a couple of weeks with a luxurious passenger ship, but there is no end to just a trip .... A new trial will come on!

Chapters

 * Room 15
 * Room 16
 * Room 17
 * Room 18
 * Omake 3