PLEASE HELP A GIRL OUT!!!

I’m looking for this Korean bl omergaverse I was reading then forgot to add it. Mc was this omega w kinda w a nonchalant attitude, he has beta twin brother and sister. He’s the only omega in his family. The ml has an omega little brother who his friends w the mc’s siblings and he’s kind of a jerk to the mc BCS he thinks the mc is in love w him. The ml’s mum is super rich but she was disowned BCS she ran away w the ml’s dad.
Sorry for the shtty narration but that’s what I remember. Anyway, please let me know if you know the name of this!!! Thank you!!!