I Used to Think My Childhood Friend Was a Guy—Now We're Newlyweds, and She's the Perfect Bride!

Synopsis

Shuuichi and Yuika have been close friends since they were kids. But Shuuichi had always thought Yuika was a boy, so their reunion 10 years ago was filled with surprise when Yuika had seemingly transformed into a beautiful young woman! Intimidated by his friend's beauty, Shuuichi was sure this would be the end of their friendship. And it was... because the two traded in friendship for marriage! A sweet and charming love story about finding friendship and love with your person. (Source: Seven Seas Entertainment)