Young man fucked his colleague after a party with the company

Mina is a cheerful person and popular among her colleagues. I was building a little wall for her, but when I approached her during a drink, she asked me: “Why don't you change places?” I'm not in love, but I want to have sex with my girlfriend. As the relationship continues, he gradually becomes attracted to her, but realizes that there are other friends besides him. I'm jealous, and I can't forgive you, and I have to do it.