Spending a week of full-erect ejaculation sex with a cold, big-butt nurse older sister - Yuri Tsukawa FJIN-150

Murata, a college student living alone, suffers from a rare and difficult-to-treat illness that causes numbness in both hands, requiring home care. He is assigned a beautiful but extremely aloof nurse—Suikawa. His week-long inpatient care begins. Murata's condition is very unusual; if he cannot ejaculate at least once an hour, he suffers from severe headaches. Due to the side effects, he is unable to use his hands and is completely unable to masturbate. Upon learning this, Suikawa calmly nods, expressionless: "...It's business, no problem." A perfectionist, she takes Murata's erect penis in her hand while casting a cold glance and precisely begins to masturbate him. He initially expects her to be expressionless and devoid of warmth, merely performing a routine task to assist with ejaculation, but…