Danshi da to Omotteita Osananajimi to no Shinkon Seikatsu ga Umaku Ikisugiru Ken ni tsuite

Danshi dato Omotteita Osanajimi tono Shinkon Seikatsu ga Umaku Ikisugiru ken ni tsuite • I Thought My Childhood Friend Was a Guy... Now She's My Wife and It's Going Too Well! • Regarding of My Married Life With a Childhood Friend Whom I Thought Was a Boy Going Way Too Smoothly • 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