Asian Drama

Tokino Mitani runs a watch shop, located on a street far from the downtown area. She is 20-years-old and inherited the watch shop from her grandfather. Unknown to most, she is also an excellent private detective and offers an alibi cracking service. She can crack someone's false alibi by using logic based on time and a watch. She gets payed 5,000 yen for that service.

Yoshiyuki Saji used to be an elite police officer, but he tried to uncover corruption within the police department. This caused Yoshiyuki Saji to receive a demotion to a police station in a rural city. He moves alone there, leaving behind his wife and child. He lives at a boarding house, where Tokino Mitani lives. Yoshiyuki Saji does not get along with the other detectives there. He struggles to solve a case and he hears about Tokino Mitani's ability as an alibi cracker. He doesn't want to ask for her help, because of his pride as a police officer, but he requests her help on a case.

Ueno works at Gotanda Kingdom, a love hotel in Gotanda, Tokyo. It is an environment where it is easy for human nature to be laid bare and he usually hides and is discrete for customers’ sake. However, Ueno objectively sees the true feelings of men and women who have difficulty understanding each other and appeals to them by offering sound advice. He rather sadistically teaches them tricks to be popular regardless of gender through the experiences he has analyzed.

In this sequel to Majisuka Gakuen 5, they take the alternate events where the Majisuka All-Girls High School goes bankrupt. In order to save their school from shutting down, the girls decide to open a hostess bar called "Aquarium".