If you want to buy a mystery at a convenience store / Mizuka Akiho Kodansha Taiga

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

A part-time job at a convenience store is a famous detective hidden in the town! I'll buy your mystery. -- I want to solve your problem even if I pay for it. A youth mystery released by a Mephisto award writer! A high school student, Haruko, who has an excellent brain but is not good at caring for women, entered a convenience store as a part-time job. He is a detective who investigates the suspicious death of a store clerk who happened in the toilet two months ago. Although the police determined that this was a suicide, Haruko suspects from the shape of the scar left on the body that it is connected with a series of bizarre robberies and murders in the surrounding area. There are seven suspects, a clerk and a customer who were in the store at that time. He uses his knowledge of a convenience store to reveal the true identity of the killer.