Secretly practicing sex? Mio, who always has trouble penetrating, despite her premature ejaculation, still wants to teach me how to make her orgasm. Ishikawa Mio MIDA-101

One day, Yui, Yui's lover, was talking to her childhood friend Mio about how bad her sex skills were... "I'm terrible at sex. I feel absolutely nothing..." Hearing words she shouldn't have heard echoed in her mind, "Ah!!!, I want to learn how to make love..." Her mind went blank until she reached orgasm, when her childhood friend Mio suddenly burst into the room and said, "Want me to teach you?" "What?" "How to make a girl feel good." "How?" "That's How-To Sex." So, despite being confused, Yui learned the secrets of sex from Mio...