A Comical Experiment of a Scholar Who Consider Himself a Top: A Guinea Pig For Sex Gets a Boner When Bitten

Jishou Baritachi Kenkyuusha no Kokkeina Jikken
自称バリタチ研究者の滑稽な実験~噛まれてビンビン♂SEX掘ルモット~
Oh no! It looks like we have no works!