[DNJR-160] Schoolgirl Harem Sex Support: Proper Ejaculation Lessons by J●! From masturbation to sex

The school life I had dreamed of now begins... Five eternal classmates—not older or younger—thoroughly teach you the 'correct ejaculation' technique! Her soft body, wrapped in a blue uniform, sways before my eyes, and as I whisper sweet breaths in my ear, she teaches me everything—from basic erection care to careful masturbation and even raw sex. "Introverted lewd women," "energetic sports club kids," "cheerful and sexy brass band members," "troubled gals who tempt dangerously," and "cool and intelligent student council presidents" each have their own unique plays. She gets excited by peeking out her panties, touches her breasts, and even guesses whose it is! "Stroke me more!" "No matter how many times I come, ♪ it's still rock hard." "Don't ejaculate on your own, okay?" At this rate, I won't be able to grow up... Let's study our bodies properly and get better together. The ultimate masturbation support school work where ejaculation is controlled, squeezed, and creampied. "Can you show us your usual masturbation in front of us?"