I need advice on this relationship?

Ok so I had known this person for a year and we started dating like about 2.5 months ago. Initially everything was awesome ig cuz of honeymoon phase but after about 2-3 weeks there were problems..
1) He puts in no efforts and never has time for me and expects me to be free whenever he wants
2) Whenever we tried to get physical he hurts me even after I've repeatedly said that it hurts
3)《I didn't put in an emoji here it's a glitch》He hits me casually as if we are best friends which we were but it hurts me and he feels it's okay
4) He does care a LOT but fails to show that care
5) Whenever I bring up these issues to talk he just sits there listening until I'm done, ignores them and starts acting normal

I wanna break up but I don't know how as then we'll not stay friends as he said himself that if this ends he can't make a friendship 'work'. And he's my only friend.. like the only person I interact with..

Updates
1 y
I tried breaking up or asking for a break or even sone space but turns out he hurt himself intentionally to get rid of thar 'anger'... I don't know what to do now..
I need advice on this relationship?
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