NTR stands for "Netorare," a Japanese term that refers to a genre of anime, manga, or video games that primarily focus on infidelity within relationships. It is a controversial genre primarily found in hentai, anime, manga, and video games. The term is commonly associated as a subgenre of pornographic hentai anime, but NTR storylines also center on the emotional distress experienced by characters when a partner, be it a husband, boyfriend, or significant other, cheats on them. In short, NTR is a genre that deals with the theme of infidelity in relationships.