I Proposed to My Sister but Was Rejected, so I Asked Her to Get the Certificate.

Su Chenyu's proposal to his girlfriend Shen Qingcheng was rejected. After getting drunk at a bar, his girlfriend's twin sister Shen Yuyan took him to the hotel and had sex. Su Chenyu, who was at a loss, heard the voice of the system in his mind. Shen Yuyan: "Su Chenyu, I really want to be with you. If you don't want to, you don't need to be responsible for me." The counterattack is about to begin... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.