A married woman's caregiver writhes in cunnilingus without making a sound

Fujiwara, his husband Ryoma and his wife Natsu's mentor during university, were injured and the couple ended up providing care. Natsu is kind and cared for Fujiwara, who even took care of her husband's job. However, Fujiwara was thrilled with sexiness on her firm skin and becoming a married woman. Then, with support from Natsu, Fujiwara was climbing the stairs, collapsed and buried his face in Natsu's crotch. Fujiwara's lewd tongue twitches like a living thing, and while resisting it, he twitches his body and feels it...