Kimi Ni Todoke - Season 3 Ep 4

in minute 20 to 22ish Kazehaya has a whole talk with Kento about how Sawako Doesnt have a clue that Im actually like this and also Im not particularly wholesome though ... And do I really have to be? ... Because im nothing like that. At all. is he referring to the fact that he also has perverted thoughts or something ?? im not getting him LoLoL