四葉が遠隔ローターで先生に呼び出されてバックでパコられたり、腕を引っ張られながら膣奥に射精されて専用オナホにされる…

Yotsuba is called by her teacher using a remote vibrator and fucked from behind, and while pulling her arm, she is ejaculated into the depths of her vagina and used as a personal masturbator...