
This guy is horrible he cheate on him ( even though they are not dating it still counts )

I disagree with you. If someone, your friend, came along and confessed to you and you haven´t accepted their feelings how is that cheating? In that case I´ve been cheating my whole life

Except he gave him half hearted hope. He also agreed to no more call girls and then he does it. His inner thoughts reveal that he knows there is a chance that it won't be okay. He even acknowledges that he knows he's hurting him there at the end of the second chapter. Regardless if you consider it cheating if nothing else he should have cleared things up with his roommate before having sex with other people. You can't leave someone in limbo like that.
Ok wtf just happened in those 44 pages?!?!?!Σ(  ̄□ ̄||)(╯°Д °)╯╧╧