want spoilers?

hey i'm reading the manga in spanish and we're already at chapter 30
anyway here's some spoilers if you're curious
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So omega loves alpha, they have sex and omega think they're dating because he's acting cute and giving him gifts. In the end alpha think this is only a sex buddies relationship, so when omega boi is too far he hook up with a woman and omega see that. Omega boy gets super angry and break all ties with him for "cheating" but alpha don't accept and rape him. He hits him and tell him to never touch him again, throw his gifts away and treat him coldly. During his rut, alpha goes to omega house and rape him again (consent it's a bit weird here) so omega boi bite his ear to get revange on him and mark him. The alpha doesn't remember what happend during the rut but he's furious a random omega bit and marked him. Omega boi stills very angry with him and starts to feel sick, during a party he gets very sick and the alpha take him to an hospital and SURPRISE HE'S PREGANANANT. Alpha gets really chocked and they fight because the omega say it's not his baby but the alpha know he's the only person he had sex with so the baby IT'S his son.
Let's find out what happens in the chapter 31