Spring 2026 Anime Ranking: REGZA Viewing Data Crowns 'Slime' Season 4
REGZA's spring 2026 anime ranking, built from 620,000 Japanese TVs, puts That Time I Got Reincarnated as a Slime Season 4 at No. 1. We break down how this completion-based viewing data works and why it clashes so sharply with overseas fan polls.