A "MULTI" coffret typically refers to a multi-language release, catering to international collectors.
While the version of One Punch Man (especially Season 2) suffered from technical constraints, the Full Blu-ray release acts as a "Director’s Cut" with significant visual upgrades: One Punch Man Coffret MULTI Full Bluray HDTV
Japanese TV regulations require "ghosting" (blurring) and "dimming" during high-intensity flashes to prevent seizures. The Blu-ray removes these filters, allowing the fluid animation of studios like Madhouse and J.C. Staff to shine in crisp 1080p. A "MULTI" coffret typically refers to a multi-language