Welcome to Yotsuya Gakuin!! In this place where sucking masters gather, you will receive intensive training in each subject to turn your dick into a 'sucking master'. Each instructor will teach their specialty and guide you smoothly and without getting bored. The courses are rich in variety, including the elegant slut department, the lolita department, the lovey-dovey girlfriend department, the beastly slut department, the dark gal department, and the tsundere service department, and the most erotic instructors are all here!! A naughty lesson awaits, where you will feel with sound, get an erection with your tongue, and ejaculate deep in your throat.