"Since she's a quiet and gentle sister, anything can be done, right?" After brainwashing and hypnotizing the timid younger sister, her nipples become 100 times more sensitive, turning her into someone who experiences nipple orgasms with an 'ahh' expression. Tomoi Kotoon, GVH-834.
8.2·2026·TV·AV
Kazumi, the hardworking older brother, has a quiet and introverted high school girl sister named Kotone. One day, he casually uses the "hypnosis beam" he borrowed from a friend on his sister, making her nipples 100 times more sensitive than normal. From then on, Kotone's daily life is completely transformed. Unable to stop stimulating her nipples, she blushes and wets herself. Kazumi, unable to control his excitement over his sister's perverted appearance, continuously vents the pent-up sexual frustration he has accumulated onto Kotone. Every day, he persistently scolds her nipples, bringing her to multiple orgasms, repeating the blushing and wetting. Afterward, he uses hypnosis to make her forget everything...
