เลสเบี้ยนผู้ใหญ่, "กลีบดอกน้ําแตก" - ตอนที่ 3

The first in director Futoshi Sakamoto's first lesbian erotic series! Yui, who has long admired Chisato, now divorced and alone, invites her to a certain place. But it turns out to be a secret...