My boyfriend dumped me because I didn't give him a blowjob!? Makoto, a female college student who came to this ridiculous thought, decided to work at a pink salon to improve her blowjob technique. Since she wants to be No. 1, Makoto chooses her younger brother as a practice partner and sucks him wherever she goes. She even sucks the dicks of her brother's friends and teachers, aiming to reach the top of the pink salon world...!?