A Couple of Cuckoos

is a Japanese manga series written and illustrated by Miki Yoshikawa. It was originally published as a one-shot in September 2019, before beginning serialization in Kodansha's Weekly Shōnen Magazine in January 2020. An anime television series adaptation produced by Shin-Ei Animation and SynergySP aired from April to October 2022 on TV Asahi's NUMAnimation block. Plot Nagi Umino is a 16-year-old second-year high school student who learns that he is not the biological child of the family that raised him. On the way to his first meeting with his biological family he meets Erika Amano, a popular internet celebrity who is trying to escape from an arranged marriage. Later, Nagi and Erika discover that the hospital had accidentally switched the two after their births and their parents were now aiming to put them in an arranged marriage; so they, selfishly, don't have to say goodbye to the children they raised (having missed out of their respective childhoods). To facilitate this, they are made to live in a house owned by Erika's family; hoping the two will fall in love before graduation, but will respect their wishes to abandon the idea if nothing comes of it. Characters A second-year student at Megurogawa Academy, who is ranked second in his grade. He is the biological son of a hotel tycoon, but due to a mix-up after his birth is raised by a different family. He has a crush on his classmate Hiro Segawa and aims to confess to her once he beats her in the school rankings. Following a challenge which he won, he starts dating Hiro. However, he starts to develop feelings toward Erika after realizing he hurt her by choosing Hiro. A popular Instagram celebrity who is the biological daughter of the family that raised Nagi. She first meets him while taking videos at a park, and makes him pretend to be her boyfriend to escape from an arranged marriage, unaware that her parents arranged her to be engaged to Nagi and for them to live together in a single house. After her school discovers the pictures she took with him, she is forced to transfer to Nagi's school. She decided to start an Instagram account in order to reach someone she had been looking for. Erika later realizes she really is in love with Nagi, as she is hurt when he chose Hiro instead of her. Nagi's adoptive sister and Erika's biological sister. She is scared that Nagi will leave her, and later she runs away from home and moves to the house where Nagi and Erika are staying.