I am looking for this BL, it’s omegaverse and the bottom has brown hair and pink eyes, h...

I am looking for this BL, it’s omegaverse and the bottom has brown hair and pink eyes, he is a noble, in his first life he was a beta fell in love with this alpha duke got married, they loved each other but the father in law wanted an heir so he forced his som to sleep with this omega who then got pregnant and the duke begged on his knees while crying for forgiveness, then the bottom commited suicide and went back to the past on the day of his wedding if i remember correctly where he fainted and become an omega, he didn’t want to remarry the duke, anyway after ups and down he got with there men (it’s a harem), the duke from his past life, his personal knight, a blondie with green eyes, and a guild master (?) red hair with golden eyes, hies first son was a mixed of all the parents and then he gave each man a child each