
On the way to meet his birth parents, super-student Nagi meets brash Erika, who needs a quick favor; she wants him to pose as her boyfriend at dinner so she can avoid an arranged marriage.

Umino Nagi was swapped with another child at birth.

Nagi and Erika are now engaged.

Nagi and Erika are living together.

Nagi decides to confess to Hiro.