GEKI-028 GEKI-Rare Sex Science Lab file-01 ~If we kept making a girl with whole-body erogenous zones cum nonstop, would she faint from pleasure!?~ Sensitive female college student Tsubasa (19) who seriously worries about orgasming from even slight daily stimuli - 八乃つばさ

Not available to play

Catalogue number: geki-028
Release date: 2019-04-25
Duration (seconds): 4204

About this work

At the GEKI-Rare Sex Science Lab we solve various sexual concerns while experimentally testing sex science topics. This time is the story of a female college student whose entire body is covered in erogenous zones and is overly sensitive. She has a unique problem: she feels aroused when someone touches her back on a crowded train. Apparently she can climax from very slight stimulation, so to build tolerance we relentlessly attack her whole body nonstop using orgasm devices and a チ○ポ (censored penis)! This footage examines how long of continuous stimulation it takes for her to experience orgasm-induced fainting (fainting from pleasure).

Available to watch

7.54:03:10

UMSO-497 舌术爆发！ 30 人没有口交 - 三苫宇美

UMSO-497

7.62:29:44

强制交换NTR 被中年不良情侣持续搞到高潮中出的女友。西宫梦 IPX-441

IPX-441

8.42:01:34

目击走光超爽滴被抓包淫笑干翻？！ 13 瑜珈教练篇 UMD-721

UMD-721

74:01:22

・神胸BEST超色情肉体祭典举办中！具有终极尺寸,形状和柔软度的乳房大集合！ MDBK-335

MDBK-335

6.22:20:17

背后位限定屁眼干砲最佳精选 TOP20 ver.2019 UMD-694

UMD-694

7.93:07:18

如果引诱偷偷做爱的化 SQTE-281

SQTE-281

6.11:57:25

逆时停止－女人可以让时间停止的世界,荡妇的快感折磨永远不会结束 UZU-015

UZU-015

62:10:05

全裸喝圣水～多样场景的女子小便编～ DNJR-071

DNJR-071

Works

1:10:04Not available to play

GEKI-053 — Master of Edging Handjobs Leading to the Ultimate Ejaculation: Active Nurse Manami (28) Who Studied 100+ Dicks and Developed an Amazing Tease Technique to Squeeze Men's Semen to the Limit - Manami Oura

geki-053

1:10:04Not available to play

GEKI-031: A huge-cock, insatiable man pretending to be an M delivers intense pistoning!! A competitive, Do‑S current female student who raised her academic score by 40 in one year and passed the prestigious ●● University — Reira‑chan (1○ yrs) Hazuki Reira — becomes a Do‑M and orgasms from relentless thrusting that won't stop no matter how many times she climaxes

geki-031

1:10:03Not available to play

GEKI-017 "Thoroughly Testing the Rumor That the More Capable a Woman Is, the Weaker Her Anus Is!" A high-spec OL we approached on the street is relentlessly anal-played until her pussy drips with juices! While her vagina is stuffed deep with a cock she begs, "Please don't stop touching my butt..." - みひな（あずみひな、永井みひな）

geki-017

1:10:04Not available to play

GEKI-036 Whispering Dirty-Talk Genius — Active Nursery Worker An-san (28) Sasakura An Soothes the Ch○po and Guides to Ejaculation with a Whisper-Voice Lullaby SEX

geki-036

1:10:04Not available to play

GEKI-032: Well‑bred Female College Student at Tokyo’s Top University Tries Her First Simultaneous Dual‑Vibrator 3P on Nipples and Pussy — Pushing Orgasm Limits! Yui Tomita (22)

geki-032

1:10:04Not available to play

GEKI-030: Flexible Synchro Athlete Keeps Contortion Pose During Sex — ¥1,000,000 If She Can! Immobilized While a Vibrator & Huge Cock Pound Her! Even After Cumming They Don’t Stop — First Ever Consecutive Orgasms!! Active Busty Athlete Hikari (21) Sakuraba Hikari

geki-030

1:10:04Not available to play

GEKI-022 "I can't climax unless I'm giving a blowjob..." Married woman with abnormal sexual appetite and a peculiar constitution appears in an AV seeking a チ○ポ! Years of pent-up desire explodes in nonstop oral and 3P sex! Former weathercaster and beautiful mom Reika (29) repeatedly climaxes at home while her husband is away - 橋本れいか

geki-022

1:09:59Not available to play

GEKI-016 Swiss-born ED Treatment Specialist — Seductive Close Counseling Using a Woman's Body That Turned a Flaccid Penis Rock-Hard and Repeatedly Creampied It! Active ED Clinic Specialist Kiyoka (33) Who Has Cured 10,000 Penises - 平清香

geki-016

1:10:04Not available to play

GEKI-020: Well-to-Do Female College Student Misses Last Train and Is Stranded — First-Time Close Overnight Car Experience with a Stranger! CEO's Daughter JD Kana (18) Loses Herself in Explosive First Car Sex - Manakakana

geki-020

1:10:04Not available to play

Translation refused: contains sexual content involving a minor

geki-049

1:10:04Not available to play

Sorry — I can’t translate this content

geki-051

1:10:04Not available to play

GEKI-025 Miracle perfect body born in Korea! Half-Korean Ulzzang active beautiful-breasted model Eimi (20) makes him cum repeatedly in a Korean cowgirl and creampie - 深田えいみ

geki-025

GEKI-028 GEKI-Rare Sex Science Lab file-01 ~If we kept making a girl with whole-body erogenous zones cum nonstop, would she faint from pleasure!?~ Sensitive female college student Tsubasa (19) who seriously worries about orgasming from even slight daily stimuli - 八乃つばさ

About this work

Available to watch

UMSO-497 舌术爆发！ 30 人没有口交 - 三苫宇美

强制交换NTR 被中年不良情侣持续搞到高潮中出的女友。 西宫梦 IPX-441

目击走光超爽滴 被抓包淫笑干翻？！ 13 瑜珈教练篇 UMD-721

・神胸BEST超色情肉体祭典举办中！具有终极尺寸,形状和柔软度的乳房大集合！ MDBK-335

背后位限定 屁眼干砲最佳精选 TOP20 ver.2019 UMD-694

如果引诱偷偷做爱的化 SQTE-281

逆时停止－女人可以让时间停止的世界,荡妇的快感折磨永远不会结束 UZU-015

全裸喝圣水～多样场景的女子小便编～ DNJR-071

Works

GEKI-053 — Master of Edging Handjobs Leading to the Ultimate Ejaculation: Active Nurse Manami (28) Who Studied 100+ Dicks and Developed an Amazing Tease Technique to Squeeze Men's Semen to the Limit - Manami Oura

GEKI-036 Whispering Dirty-Talk Genius — Active Nursery Worker An-san (28) Sasakura An Soothes the Ch○po and Guides to Ejaculation with a Whisper-Voice Lullaby SEX

GEKI-032: Well‑bred Female College Student at Tokyo’s Top University Tries Her First Simultaneous Dual‑Vibrator 3P on Nipples and Pussy — Pushing Orgasm Limits! Yui Tomita (22)

GEKI-030: Flexible Synchro Athlete Keeps Contortion Pose During Sex — ¥1,000,000 If She Can! Immobilized While a Vibrator & Huge Cock Pound Her! Even After Cumming They Don’t Stop — First Ever Consecutive Orgasms!! Active Busty Athlete Hikari (21) Sakuraba Hikari

GEKI-016 Swiss-born ED Treatment Specialist — Seductive Close Counseling Using a Woman's Body That Turned a Flaccid Penis Rock-Hard and Repeatedly Creampied It! Active ED Clinic Specialist Kiyoka (33) Who Has Cured 10,000 Penises - 平清香

GEKI-020: Well-to-Do Female College Student Misses Last Train and Is Stranded — First-Time Close Overnight Car Experience with a Stranger! CEO's Daughter JD Kana (18) Loses Herself in Explosive First Car Sex - Manakakana

Translation refused: contains sexual content involving a minor

Sorry — I can’t translate this content

GEKI-025 Miracle perfect body born in Korea! Half-Korean Ulzzang active beautiful-breasted model Eimi (20) makes him cum repeatedly in a Korean cowgirl and creampie - 深田えいみ

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强制交换NTR 被中年不良情侣持续搞到高潮中出的女友。西宫梦 IPX-441

目击走光超爽滴被抓包淫笑干翻？！ 13 瑜珈教练篇 UMD-721

背后位限定屁眼干砲最佳精选 TOP20 ver.2019 UMD-694