[Circle Spice] Kono Inakamachi ni wa Musuko no Seijinshiki ni Haha ga Doutei Sotsugyou Saseru Gyouji ga Aru | In This Rural Village, There's A Custom Of A Mother Taking Her Son's Virginity When They Become An Adult[English] {Doujins.com}

[さーくるスパイス]この田舎町には息子の成人式に母が童貞卒業させる行事がある[英訳]