Nagi Umino

Nagi Umino (海うみ野の 凪なぎ, Umino Nagi) is the main male protagonist of A Couple of Cuckoos Manga Series. He is 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.