Synopsis: Private Kibitsu school... The celebrity entrance into a school of higher grade school which gathers excellent students in every area. Though woman students ratio looks colorful a lot, but had a large number of problems in the back. It is the self-government group where the one manages a school called "Manaseikai".

Although I lost parents when I was young, Ichiro which went to such a school lived happily with Saki sister-in-law who is a teacher. However, Saki it is raped by the person of Manaseikai, the mind is break down completely.

There was a person who called out to Ichiro who grieve over without being helped beloved Saki. Health medicine, Shiroishi who gives oneself when "it is a darkness corrector of the public peace." She requested Ichiro to become a friend if I wanted to punish Manaseikai.
Ichiro which felt ones powerlessness regrettable nods to a Shiroishi.