I hear my beloved wife's moans through the sliding door as she's having sex with her affair. Meanwhile, I'm also having sex with my friend's wife and letting out my sperms...Summary from INKR Comics. Official English

After fighting his way to beat the demon king, the reborn Ceres is kicked out of his own adventuring party by the womanizing hero. Now alone, he heads to the market and Sees someone he never expectedーShizuko, the hero's mother, rejected and up for sale.

One couple; Oono Susa is a lover of novels and his girlfriend Amane Hatsune is a lover of manga. Another couple; Konohana Sakuya is a great cartoonist while his girlfriend Ebisu Miko is a cosplay goddess. These two otaku couples attend the same university

Original WebtoonOfficial Translations:Japanese