Help me Find this manga

I don't remember the name of this manga it's black and white where the seme and the uke are (cousin/childhood friends) and they love each other and fuck during their highschool days in their rural village and seme promises that he will visit again and he left to the city and they became old where the seme sleeps around and have a gf ( buying her luxury gifts)and the uke visits seme in the city and they have sex and the seme makes the uke to crossdress and the have sex in the public than the uke feels bad and leave to his village and marries a girl and they have a baby boy and than finally the seme visit the uke's house and regrets it