[Gyouza Teishoku] Best friend (Web Haishin Gekkan Tonari no Kininaru Oku-san Vol. 035) [Decensored]

A newly married man returns home to a shocking surprise from his older sister, who boldly seduces him with her voluptuous figure despite knowing his brother-in-law, Souta, is away on a business trip. Torn between guilt and temptation, he gives in to her advances, leading to a passionate encounter on the living room floor as she rides him with wild, rhythmic intensity. The story leaves readers wondering what happens when Souta suddenly arrives home just as the forbidden tryst reaches its climax.