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

(January 21, 2026) — Seven Seas Entertainment is pleased to announce the license acquisition of the manga series I Used to Think My Childhood Friend Was a Guy —Now We’re Newlyweds, and She’s the Perfect Bride! by hamubane, mokufu, and Parum. A confusion made in childhood leads to a surprising yet beautiful relationship in this sweet romance manga.

Shuichi and Yuika have been close friends since they were kids. But Shuichi 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, Shuichi 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. 

I Used to Think My Childhood Friend Was a Guy —Now We’re Newlyweds, and She’s the Perfect Bride! (manga) Vol. 1 will be printed for the first time in the English language in December 2026 for $13.99 USA / $17.99 CAN, with the series available in single volume editions. Ebook editions will also be available on digital platforms.

About Seven Seas Entertainment
Established in 2004, Seven Seas Entertainment is an award-winning publisher that specializes in bringing the best of Japanese manga and light novels to English-language audiences alongside the hottest danmei, webtoons, and other books from around the globe, as well as producing audiobooks, original comics, and youth literature. All of Seven Seas' print book imprints are distributed throughout the world by Penguin Random House Publisher Services. For more information, visit sevenseasentertainment.com