He's Dead Again, Mr. Detective.

In the hormonal puberty, boys and girls take a serious look at themselves for the first time. The spirit and soul are intertwined, bursting out with extraordinary energy. So [abnormality] occurred. Yumehara Kitaka, the president of the detective agency of Tokyo Tachibana Private High School, was commissioned to investigate a series of "abnormal incidents in adolescence". During the investigation beyond common sense, he met one girl after another, and constantly challenged the double limits of psychology and physiology. In the end, I discovered that I was an anomaly among anomalies...