Any manga where the seme is cute and adorable and you wouldn't even know he's the seme unt...

Well for me at least I couldn't guess who's the seme in these two
http://www.mangago.zone/read-manga/koisuru_barairo_tenchou/

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

jibun katte! I literally LOLed at their sex moment. love that manga. the uke is not for everybody tho. (but i personally like him)
anybody else similar i collate in this list http://www.mangago.zone/home/mangalist/22922/