Dojikko Pants

A boy named Tanigawa unintentionally wears his sister's underwear to school and is spotted by his classmate Matsuyuki. A bizarre misunderstanding leads Matsuyuki to believe Tanigawa is a homosexual pervert. Tanigawa attempts to explain the situation, but his efforts only escalate the confusion. Over time, he begins to develop feelings for Matsuyuki, who in turn tries to assist him in overcoming his frequent clumsiness.