The Ordeals of Makoto in an All Boys' School

"What does 'fap' mean......!?" Otogi Makoto, a poverty-stricken girl has to follow a "condition" in order to attend a certain prestigious boys' school. That condition being ―― to pretend as a boy!? Though determined to blend in as she may be, how will she deal with her classmates from this so-called elite school who only talk about porn, boobs, and other perverted topics!?