Crazyovermangas's manga / #age gap(43)

Soooo it's about 35yr old man our uke... Who likes to have sex without strings... And one day his sister dies and leaves a child boy behind and ukes's mother tells him to take care of him for half year Later he shares a co residential house.. where he gets to meet seme who's younger and they first become sex friends and lovers later

Uke resembles seme's past ex who was a student of painter seme.. but they got caught by his ex's family and told them to break up.. and they lied to seme that he's dead.. later seme's friend got him a lool-alike uke for his housework... Things happened and seme later feels sure that he is in love with our Uke and not his Ex