Season 1

Ryou meets his planned fiancée, Shizuka, for the first time, and discovers the R.T.P. projects for arranged marriages everywhere.

Ryou finds everlasting shock when Shizuka suddenly shows up in his school and advances into his 11th grade class.

Shizuka is introduced into her fiancé's workplace, the Plavi, where trouble ensues.

Emiho confesses that she too has a planned marriage, in which Ryo debates about a person's will in such unions.

The main cast spends a day skiing on a mountain, in conjunction with Ryo and Emiho's date. When a blizzard starts getting worse, the group is forced to spend the day outliving the storm.

Another date is underway for Ryo and Emiho, but Shizuka decides to be "cautious" and prepares with the aid of the government's technology.

In practicing ignorance around Shizuka, Ryo is reproved for his action, and is given a chance to reevaluate his decision.

Akane becomes ill and reflects on the life she's spent with her brother. Meanwhile Ryou goes through his school day overreacting about Akane's sickness.

Emiho meets her betrothed for the first time. Ryo, who has already showed his dislike towards arranged marriage, decides to enlist Shizuka to help bail Emiho out.

Shizuka's bodyguards show up one night before she has to return to her old school to take exams. They deliver a message from her father, who demands that she leaves the whole marriage behind and comes home.

Akane prepares a farewell dinner for Shizuka, and asks Ryo to dine alone with Shizuka "like good, old friends."

The absence of Shizuka begins to weigh on Ryo's mind as he tries to live each day normally after her departure. In the end he decides to go look for Shizuka.

The epilogue which showcases Shizuka moving into Haru's previous apartment, right next to the Mizuhara siblings' own apartment, and also shows a wedding commercial Emiho's brother is working on.