Kakkou no Iinazuke - MangaDex

Nagi Umino was mistakenly switched at birth, and now attends a prestigious private high school. One day, he has a chance meeting with Erika Amano, an incredibly high society highschool girl who claims she's on the way to meet her fiancé, and who asks/forces him to be her fake boyfriend. Neither of them, at the time, understood the significance of their meeting for Erika was the girl Nagi was switched at birth with, and Nagi was Erika's soon-to-be fiancé! The curtain raises on a romantic comedy of intertwined fates that begins with being switched at birth!

January 2020 - Erzat

The Cuckoo's Fiancee/A Couple of Cuckoos Chapters 124-126 Live

Read The Cuckoo's Fiancee Chapter 143: Isn'T That Enough? - Manganelo

Kakkou no Iinazuke TV Anime Adaptation Announced for 2022 - Otaku Tale

Fuyuking Reborn - They're Kissing!! Imoutou is the True

Nikaidou Ko - MangaDex

Kakkou no Iinazuke - MangaDex

Kakkou no Iinazuke - MangaDex

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Kakkou no Iinazuke - MangaDex