I offered a guy to hate fuck me as a way of saying sorry. [FM]

I am kind of friends with this guy in the university, but not all that close with. We work in the same group. We had a fight few months ago, and we started hating each other after that. He particularly hated me since I actually ruined his relationship with a potential girlfriend, and did several things to cut off him from our group. I recently got to know that he was even reconsidering leaving our group because of me and after failing several exams, he’s getting treated for depression. I really felt ashamed for what I did, and I wanted to say sorry for him.

Yesterday I saw him studying at the university library. I sat him next to him and began to engage in small talk with him. This eventually turned into us actually having a normal conversation. I started stroking his arm and giving him looks, and half-jokingly told him that there’s nothing like a grudge fuck. He looked confused, and I invited him to my place. I don’t entirely understand why, but he accepted the invitation. We walked to my place together, and we ended up in my bedroom. I told him that I’m all his and he could fuck my brains out anyway he liked. There was a long silence where neither of us acknowledged what I said but we both knew that it was. Suddenly he grabbed me and pushed me up against the wall and we started making out and he started fingering me. It was so fucking hot and we were both naked in a matter of seconds.