Description : Honor students' bookmarks visit one of the classmates and eugenic houses they draw. It was my father Koji who picked it up. He seemed to be a gentle mature man, but in fact he was a former yakuza, and he was dyed hands on various backstage operations. A bookmark passed through a eugenic room is rounded up by eugen and koji. Yuzu was also a cooperator of Koji and others, and such acts were fun and did not go to school. I can not resist from fear, it will be left as it is, but masochism gradually grows up ... ....