My girlfriend's younger sister, who has matured breasts, is so curious about 'SEX' that she learned at school and innocently makes me horny! Yuuri Adachi - Yuri Adachi

Yuri Adachi explores her sexual curiosity with her brother, engaging in various sexual acts and discussions about sex.

1. [9:59]Yuri Adachi and her brother start checking out each other's cocks and pussies, touching them. · fingering, kissing
2. [10:13]Yuri Adachi's brother licks her breasts or engages in other forms of sexual play. · titjob, nipple-play
3. [28:22]Yuri Adachi asks her brother to show her his penis, and she licks it. · blowjob
4. [44:47]Yuri Adachi and her brother discuss having sex and prepare for it. · kissing, fingering
5. [56:33]Yuri Adachi and her brother fuck, with him thrusting and her expressing pleasure. · missionary, doggystyle
6. [1:29:57]Yuri Adachi's brother penetrates her from behind, and she finds it pleasurable. · doggystyle
7. [2:00:04]Yuri Adachi and her brother reflect on their past sexual encounters.