Kazuaki Okabe, a second-year high school student, failed his entrance exams during his third year of middle school due to the Shock of his sister's friend—whom he thought liked him—easily getting married. He vows never to misinterpret things in romance again. However, his Classmate Sano-san somehow keeps staring at him...!? Furthermore, in reality, the girls around him also... A Harem Love Comedy where everyone has excessive self-consciousness!