alpha, Omega, or beta.

this isnt an omega kinda thing, more like reincarnation but theres babies involved and its sososo good and i do believe you will LOVE it if you wanna give it a try if u havent read if already !!
https://www.mangago.zone/read-manga/keeper_of_the_pearl/

Omegaverse BL Manhwa:
https://www.mangago.zone/read-manga/unromantic/

https://www.mangago.zone/read-manga/how_to_chase_an_alpha/


https://www.mangago.zone/read-manga/surge_looking_for_you/



these has triplets:
https://www.mangago.zone/read-manga/blood_link/


also this as a Manga so it's not colored, but a good plot, you could check the summary out https://www.mangago.zone/read-manga/shima_chanchi_no_tsugaijijou/

thanks