A down-and-out salaryman, fired and divorced, lands a bizarre job requiring him to fake a marriage with a stranger to save the world.

"The world average age for the first sexual experience... 17.3". Is that early? Late? Seno Sakura has a serious personality. Hara Tsumugi has never liked a member of the opposite sex before. Minagawa Yuna is experienced and is currently dating a company employee. At the age of 17, the girl's "sexual values" begin to fluctuate.

When a rookie actor is cast alongside a charming former classmate, he struggles to separate his on-set performance from his true feelings.

Takashi Mikami, a University of Tokyo graduate, joins the Ministry of Education to reform Japan's education but is disillusioned by its reality. Transferred to a private high school, he takes a stand against the authorities, using his role as a teacher to push for change.

At the end of the first year of high school, Futaba Yoshioka meets Kou Tanaka who was her first love. In their middle school days, they attended the same school, but he suddenly transferred to another school. Three years later, he appears in front of her again with the different last name of Kou Mabuchi. His personality also seems to have changed from warm to cold. He is like a totally different p...

Takashi Mikami, a University of Tokyo graduate, joins the Ministry of Education to reform Japan's education but is disillusioned by its reality. Transferred to a private high school, he takes a stand against the authorities, using his role as a teacher to push for change.

Yashiro, after confessing to Kenta and facing tragedy, is reborn as Tendo Kagura. Guided by a deity, "she" navigates "her" renewed connection with Kenta.

When a rookie actor is cast alongside a charming former classmate, he struggles to separate his on-set performance from his true feelings.

"The world average age for the first sexual experience... 17.3". Is that early? Late? Seno Sakura has a serious personality. Hara Tsumugi has never liked a member of the opposite sex before. Minagawa Yuna is experienced and is currently dating a company employee. At the age of 17, the girl's "sexual values" begin to fluctuate.

Mitsuru and Koichi’s connection is tested when Koichi mysteriously survives an accident, yet his existence fades from memory, forcing Mitsuru to question reality and love.

At the end of the first year of high school, Futaba Yoshioka meets Kou Tanaka who was her first love. In their middle school days, they attended the same school, but he suddenly transferred to another school. Three years later, he appears in front of her again with the different last name of Kou Mabuchi. His personality also seems to have changed from warm to cold. He is like a totally different p...