Manhua searching

Hey guys i'm trying to find this manhua i read a while ago but i forgot the title. Its omegaverse, where the uke and seme had sex in highschool i guess? bc uke liked the seme. but then the uke knocked out but he didnt tell the seme about it.. until few years later, uke and seme meet again at the kindergarten (uke is picking up their child while the seme picking up his niece)