Any yaoi manga, seme(adult) and uke(kid) You know what i mean uke(kid) is small body.. I'm...

http://www.mangago.zone/read-manga/elle_to_takara/

shotacon is <3333 hahahaha
http://www.mangago.zone/read-manga/stop_goshujinsama
http://www.mangago.zone/read-manga/child_epicurean/

http://www.mangago.zone/read-manga/hidoi_otoko_aoi_akira/

Anata No Shimobe
I don't know if that is the uke is a kid but has a small body

It still has a manga. Haha

Super lovers