From "Kanan-Sama is easy as hell!" To be yet put in my list
Karate Shoukoushi is a manga about a guy called Minoru, who get dragged in the world of karate after being rescued from bullies
Despite this being a manga about karate, a bit of kickboxing happens later in the plot, so the author used this as an excuse to draw horny boxing pics
A Hentai Doujin Called (Wait For It....)
Kicked in the Face by a Girl i Like
From Hentai Doujin Purupuru Monzetsu License (this one is a bit gross for my tastes)