
Where the uke is an older man and the seme is a younger (doctor probably a dentist idr) and he once saw the uke on a crossing and fell in love with his butt.
Help???
um i think this is the manga ur looking for...have fun reading it~
http://www.mangago.zone/read-manga/the_prince_of_proctology/
Wanna die before i am 30 tho