Tesura Nishina is Missing

A call came in asking for help from Tesura Nika, who said that Shunta Momochi (nicknamed Momotaro) had been kidnapped and imprisoned for slacking off on his business. He manages to escape at the last moment, but against this backdrop, a series of high school girls commit suicide by jumping off the roof, and a student group called "Ayame" comes to light. A new kind of mystery about a high school girl who calls herself an "old lady" and an ordinary salaryman who "doesn't guess"!