DLDSS-035 [Uncensored Leaked] I'm sorry, I want to break up... Suzume Mino, who has made a submissive contract with her boyfriend who refuses to break up, calling her his mistress

My beloved girlfriend suddenly broke up with me. "No! I absolutely don't want to break up! If that's the case, I'd be happy to be your mistress!" I pleaded desperately, but she suddenly changed and said, "Then let me see you masturbate right now." I did as she asked, and then she forced me to watch her have sex with her "new boyfriend." I got a boner, even though I was jealous of her lewdness, which I was seeing for the first time. It was supposed to be a mistress contract, but she ended up training me to be a submissive male dog...