Scene 1. (A younger man) A woman’s boyfriend is younger and has more stamina than her. Moreover, she’s worried about her lover’s being good at sex. With his tireless energy, her boyfriend demands sex every day, and it’s getting harder and harder for her. Scene 2. (A wife’s masturbation) A wife is waiting for her husband to return home, who is on a business trip. Due to her loneliness, her desire for sex becomes more and more intense, and her husband also misses sex with his wife. While thinking of her husband, the wife takes off her clothes and begins to insert her fingers deep inside her. Scene 3. (A man’s circumstances) A man is happy with his stuff, which has become strong enough to keep his erection going all day. He thought it would satisfy his woman, but in fact, he had become much bored because he couldn’t do things easily and could not ejaculate easily. The woman feels pain after being penetrated for too long and refuses any more sex.