The possibilities of the butt were infinite! This work has garnered a huge response both domestically and internationally with its TV anime adaptation. You can read the continuation of the anime here! The full-scale butt war "Butt Graduation Festival" began with the retirement of the five butts' Yukizuki Ikumi! The fastest showdown between Miyata, Rokudo vs. the Five Butts and Peacock Naki is too intense! Facing off against the peacock that manipulates time by clicking on a precious part of the chest, the two confront it with one secret plan after another! In the clash of butts, tears unexpectedly start to flow down their cheeks! Kusakabi Mio, boasting the No.1 skill in the training school, also faces the Five Butts battle, unveiling her true self! This volume, which has made the possibilities of the butt infinite, is a must-read!