Yamaguchi-kun Isn't Bad, Volumes 3-7 Yu Saiki Kodansha Bessatsu Friend Volumes 3-7, a set of 5 books. I received these from someone and read them once. 3 4 5 6 7 Not sold separately. Bundle sale. Yamaguchi-kun Isn't Bad Volume 3, Volume 4, Volume 5, Volume 6, Volume 7