The first thing I want to mention is that is very detailed compared to what I am used to. The folds on the pants are more elaborate, there are the shadows near his knuckles on his hands and feet, and his muscles are subtly drawn. They are there but not to the point where it makes him look weirdly bulky or anything. A lot of work went into this!
Since this is a collection of shorts, there isn't really a plot here. They're just masturbation sessions of an outstanding student. He looks down on others for succumbing to their sexual desires, but can't ignore his own. He uses flimsy excuses to justify his actions. His stubborn attitude is very cute.