16-year-old super-studier Nagi Umino, second-year student at the Megurogawa Academy high school, was switched at birth. On his way to a dinner to meet his birth parents, he accidentally meets the brash, outspoken, Erika Amano, who is determined to make Nagi her fake boyfriend as she never wants to actually marry. But once Nagi makes it to dinner, he finds his parents have decided to resolve the hospital switch by conveniently having him marry the daughter his birth parents raised...who turns out to be none other than Erika herself!

Watch A Couple of Cuckoos – a fun, romantic comedy anime filled with twists of fate, accidental family mix-ups, and heartwarming relationships.
The story follows Nagi Umino, a hardworking high school student who discovers that he was accidentally switched at birth. On the day he meets his biological parents, another surprise awaits—he crosses paths with Erika Amano, a rich, popular social media star who was also switched at birth.

To resolve the mix-up peacefully, both families come up with an unexpected solution: Nagi and Erika should get engaged! Neither of them likes the idea, but they agree to play along to keep the families happy.

As the two begin living together, their lives become a whirlwind of comedy, misunderstandings, and cute moments. Things get even more complicated with the arrival of Hiro Segawa, Nagi’s intelligent crush, and Sachi, his protective not-sister who also develops feelings for him.

With charming characters, emotional chemistry, and hilarious romantic chaos, A Couple of Cuckoos delivers a perfect blend of comedy, love triangles, and slice-of-life fun.

Enjoy A Couple of Cuckoos in HD only on AG48 Anime – where destiny gets messy, hearts get confused, and love stories begin with the most unexpected twist!