Inviting prestige exclusive actress "Kazusa Yatabe" to pleasures she has never had before! - The experiment to be conducted this time is a full course designed to make her cum. - We verified the effect of ``choking'', which is preferred by about 30% of AV actresses. - When the sensitivity is increased through external portio massage and bondage, and the insertion is made, the body immediately begins to convulse. - If you continue to strangle her neck and use the piston, the pleasure hormone 'dopamine' will be secreted in her brain, causing her to reach intense orgasms over and over again. - In addition, you will experience numerous convulsions and orgasms through 4 experiments such as extreme teasing sex and the 4,000-year-old Chinese secret "Nine shallows and one deep method", and climb into a trance state!