Go back to the source where you saw this string. Check if "72" is actually the file size (72MB) or a batch number. Then, search for the correct title on legal platforms like DLsite.
Disclaimer: This article is for informational purposes regarding media naming conventions. Always respect copyright laws and content rating laws in your region. Boku ni Harem Sefure ga Dekita Riyuu -WEB-DL 72...
If a "WEB-DL" exists, it would be for an OVA (Original Video Animation) adaptation, not a TV series. The resolution is typically 720p or 1080p, encoded in H.264. The Most Likely Reality of Your Search After cross-referencing major anime databases (AniDB, MyAnimeList, VNDB) and adult content archives, here is the most accurate conclusion: Go back to the source where you saw this string
However, based on current data and standard naming conventions for digital media, the exact string "Boku ni Harem Sefure ga Dekita Riyuu -WEB-DL 72..." does not correspond to a verified, publicly released anime, manga volume, or light novel episode. There is no widely recognized entry for "Episode 72" of a series with this exact title. The resolution is typically 720p or 1080p, encoded in H
[GroupName] Boku_ni_Harem_Sefure_ga_Dekita_Riyuu_-_01_[WEB-DL_1080p_AVC_AAC].mkv