From this April, a new teacher, Natsu Yuki, who will work hard as a teacher, is nicknamed "Nacchan"! But she's a solid woman who doesn't seem to be 23 years old, and her sex is...! First of all, simulated experience with students! Nacchan slowly takes off the student's clothes and touches gently, and when she inserts herself at the woman on top posture, she violently shakes her hips!