As you may well know, in recent years, the frequency of self-pleasure using adult toys has gone up due to an increase in demand for one-person services.

This is what is commonly known as "self-stimulation," "masturbation," or "onanism."

As for me, almost every day when I come home from work, I have a habit of comforting myself by masturbating.

Huuuh...

Even the uptight Amane-kun...