The ones that are cute but when you bring them to bed, they turn to be extra sexy and seductive. Example is the uke in Yoidore koi o Sezu.
Mostly shotas but I like the tsundere type
Innocent but still sexy.
I like the really nice types who are friendly to everyone even the seme, I also like the shy types. I pretty much like any type of uke but not the ones who cheat on the seme.
What your favorite type of uke ? My favorite type is the slutty one