Manga by author Tamuko Kuwata - Status ongoing

Shiina, who prefers the company of the innocent and inexperienced, has a policy to just hook up, leave, and never get serious with anyone. That is, until he meets Sota, a hot, inexperienced college student. Shiina happily takes Sota to a hotel for the night, but isn't able to go all the way with Sota after seeing the big gun he's packing. However, Shiina can't let someone so good (a hung inexperienced hottie) get away! Shiina promises Sota he'll be ready the next time, but finds himself drawn more and more to his sweetness!+

Tomokawa, assigned to an agency sales department, is constantly yelled at by his demon boss In order to de-stress, he streams live "Solo S**." He hasn't told anyone about his hobby but when he gets praised for his messy appearance, he just can't stop! Takada calls out to him one day showing him his own explicit account asking, "is this you?" His long fingers urgently stir his insides deep until it becomes sticky mess, telling him, "you seemed to like it here in your streams, right?"