男子だと思っていた幼馴染との新婚生活がうまくいきすぎる件について (Associated Names)

Shuiti, a high school student, ended up marrying his childhood friend whom he originally thought was a boy. When they reunited 10 years earlier, his childhood friend Yuika had transformed into a beautiful girl, which initially made Shuiti quite nervous. However, as time passed, he gradually grew accustomed to the sense of closeness as best…