It is the RPG structure . Western games often ask, "How do I win?" Japanese games often ask, "How do I feel?" Titles like Final Fantasy and Persona are obsessed with grinding—repetitive, meditative work to level up. This mirrors the Japanese work ethic, but also the philosophical idea that mastery comes through mundane repetition ( shokunin ).
You cannot understand modern Japanese entertainment without acknowledging its past. The influence of (stylized drama) and Bunraku (puppetry) is evident in the dramatic pacing and character designs of modern animation. It is the RPG structure