Koharu Minami, an uneasy high school student, harbors affection for Shimizu, the well-liked chap in her class. Her world turns topsy-turvy when she unintentionally uncovers that his genial behavior is just a façade. However, as they hang out more, she discerns a compassionate streak concealed behind his incessant taunting and grousing. Can discovering the actual Shimizu eventually result in Koharu and him becoming closer?