Most box sets include the original Japanese LPCM 2.0 or DTS-HD Master Audio alongside the English Dub .
Premium "Coffret" releases like those from Viz Media or AllTheAnime often include: TV vs Blu-ray: Season 2 Episodes 1 to 9 : r/OnePunchMan One Punch Man Coffret MULTI Full Bluray HDTV
A "MULTI" coffret typically refers to a multi-language release, catering to international collectors. Most box sets include the original Japanese LPCM 2