続々!えぇ?息子の射精距離を競う大会だってぇ!? | At this stepmom's country, there's a competition to see who's son can jizz the farthest
(COMIC1☆17) Bell-sama Daisuki | We love you, Bell-sama! (Dungeon ni Deai o Motomeru no wa Machigatteiru Darou ka?)