Mikoto Misumi is a pathologist at UDI (Unnatural Death Investigation) Lab. She can't stand neglecting unnatural deaths and believes there must be a truth behind the deaths. Team members that work with her are autopsy doctor Kai Nakado, recorder Rokuro Kube, clinical test technologist Yuko Shoji and UDI director Yasuo Kamikura. They work on unnatural death cases and try to reveal the truth behind the deaths.

Shion Hagino is a 29-year-old beauty consultant. Although she has never had a boyfriend, Shion leads a happy and fulfilling life. However, one day, Shion participates in a blind date party and it triggers a flashback where she was rejected by her first love back in high school, who told her, "If you're going to confess, you should at least do something about your appearance". As if drawn back by her past trauma, Shion somehow goes back in time and becomes a 17-year-old high school student again. Using the makeup techniques she has honed, Shion decides to move towards a different timeline as compared to what happened 12 years ago.

Saeki Kou works in the sales department of an architectural firm. She is good at her job and admired by her juniors but she often falls into a fantasy world that combines food with love. This is the story of the five different food items and love stories with the five different imaginary boyfriends Kou fantasizes about.

A spinoff to Kudoki Monku featuring Kou's fantasized boyfriends making her breakfast and the two eating together.

The story revolves around a company called "Office AIR Cleaning" who specialize in providing a unique break-up service for those causing trouble to others due to their selfish in-house extramarital affairs.

Six groups of EBiDAN (M!LK, SUPER★DRAGON, Sakurashimeji, ONE N' ONLY, Genin wa Jibun ni Aru., and BUDDiiS) to become students and learn about live performances, commentary on live video in relay format while watching live performances!