"Nagi Umino is a straight-A student who discovers at 16 that he was switched at birth. On the way to meet his biological family, he runs into Erika Amano  a popular internet celebrity trying to escape her own arranged marriage. It turns out they were the ones switched, and now both families want them to get married. By Miki Yoshikawa, also known for Yamada-kun and the Seven Witches.

All A Couple of Cuckoos chapters available in English, updated regularly. Also known as: カッコウの許嫁 · Kakkō no Iinazuke"