Pretty Boy Detective Club

Mayumi Dojima has been searching for a star that she saw in the night sky ten years ago. She meets a mysterious and beautiful boy named Manabu Sotoin who takes her to the headquarters of the Pretty Boy Detective Club, where she meets five pretty boys.

The members of the Pretty Boy Detective Club, along with Mayumi Dojima, visit the location where she saw the lost star ten years ago. The deadline imposed by her parents to stop searching for the star is quickly approaching.

On their way home from school, Mayumi Dojima and Manabu Sotoin are abducted by a group that call themselves the Twenties. They are after a secret hidden within the star that Mayumi saw ten years ago.

The Pretty Boy Detective Club obtains an invitation to a mysterious casino called Reasonable Doubt. When they arrive at the casino, they find that all the patrons and employees appear to be middle school kids.

Nagahiro loses to Lai, but the Pretty Boy Detective Club figures out the trick that Lai used to win. In order to battle Lai again, they sneak into the Reasonable Doubt Casino. But the detectives are met with an unexpected situation!

During the renovation of the Pretty Boy Detective Club headquarters, the team finds thirty-three paintings in the attic. The mysterious paintings appear to be based on works by legendary painters but are missing human figures.