The core theme of this work is Netorare (NTR), a genre where a protagonist's romantic partner is taken away by someone else, often focusing on the protagonist's anguish and arousal derived from jealousy.
It is important to note that RJ01256651 is strictly for mature audiences. anetorare netorimura no inshuu rj01256651 new
Given the Japanese terms, this could relate to a work of media (like a manga, anime, or novel) that involves romantic or teasing themes. The code might be an identifier for this work in a database used by fans, libraries, or archives. The core theme of this work is Netorare