Masturbation
Quick Definition
The act of stimulating one's own genitals for sexual pleasure. Can be performed solo or mutually with a partner.
In-Depth Explanation
Masturbation is a common theme in hentai, often used to depict a character's burgeoning sexuality, loneliness, or intense horniness. It can be a private, intimate moment or an act performed for an audience, tying into "Filmed" or "Exhibitionism" themes. The use of "Toys" is also frequently featured.