Prestige exclusive actress "Mai Nanashima" becomes a teacher in the health room and gives sex guidance! Mr. Nanashima puts his body on the line and lectures on everything from practical foreplay methods to sex! In the extracurricular class edition, we go out into the city and do an interview about sexual problems! I consulted a man who was worried about premature ejaculation, asked him if he would like to practice it on me, and started special training to improve premature ejaculation! Start and stop training to help you endure for at least 5 minutes! After being able to hold back well, the next step is of course real sex! At first, teach her to move her hips slowly, and teach her through practice that you can make a girl feel good by grinding even if you don't move the piston fast! AV teaching material where you can learn about really good sex with Mr. Nanashima!