What is NTR (Netorare)?

NTR stands for Netorare, a hentai genre centered on infidelity and the emotional pain of seeing a loved one with someone else. It is the most divisive tag in hentai — fans either love or despise it. NTR typically involves a protagonist's partner being seduced or taken by another character. The genre exists on a spectrum from mild emotional drama to extreme scenarios. Online communities frequently debate NTR, making it one of the most discussed hentai topics.