A Couple of Cuckoos

En route to meeting his biological parents for the first time, a switched-at-birth high schooler encounters a pretty girl, who makes a sudden request.

Erika visits Nagi's home and is surprised at how small it is. They then go to Erika's lavish mansion, where Nagi sees how different their lives are.

Nagi and Erika begin living together in a rental house. Nagi hopes to study for his tests but finds himself attending to Erika’s needs instead.

After Nagi ranks first in his class, he works up the nerve to tell Hiro how he feels about her, but her response both shocks and inspires him.

While studying together in the school library, Nagi and Hiro discover they share a hobby. Later, an unexpected student transfers to their class.

Erika tries to help Nagi and Hiro get closer during a morning study session, but it only makes Hiro want to visit her house to get to know her better.

Nagi asks Hiro to form a group with him for an upcoming field trip. On the day of the excursion, they're joined by Erika and one of her devoted fans.

After a chat with Nagi, Sachi decides to run away from home and stay at his and Erika's house — to Erika's delight and Nagi's annoyance.

Nagi goes on a date with Hiro at an amusement park but struggles to keep up with her. Sachi expresses her disapproval of Nagi’s actions to Erika.

Sachi and Nagi go shopping for a Mother's Day present at a mall but can't decide on an appropriate gift. They look back on their memories for hints.