There're many. Checking this tag will help..
http://www.mangago.me/people/tag/2337/Oyaji+Uke/
those kind of stories has been in the back of my mind for the longest of time now so right now i'm slowly building up a list that has that. right now, there's a few titles i had and they are all in this page http://www.mangago.me/home/mangalist/93734/?filter=&page=2
older, caretaker (or something) uke: pick out the ones i labeled "guardian" http://www.mangago.me/home/mangalist/43695/
Thanks alot kyozana!
Thank you very much! Takame
Any BL manga where the seme is raised by the uke.. I've read a manga like this and the seme's attitude was kind of adorable but I forgot the title.. Please recommend me any manga with similar plot like this. Thanks!