Nakajima Mamoru, by coincidence, reunited with Mikuriya Jin, his senpai from his University days. He was invited by Mikuriya to work for his established shop “Nandemo Ya”. Nakajima, feeling as if he was on cloud nine, didn‘t know that Mikuriya was hiding an unbelievable secret!! Taking hold of this opportunity, Nakajima found himself involved in a rather complicated situation!! A work of Takemaru Abiko, one of Japan's leading mystery writers. A thrilling, dramatic mystery!!

Ryota Yamane sets out to steal a girl's panties and creeps into her room only to find her dead body. Why doesn't he go to the police? Because he is holding another girl captive in his room. The next day, police come to question him suspecting him of murder! Will this pervert be able to reveal the real murderer's true colors?!