Archive batches of the entire 6-episode OVA series. You can selectively download only Episode 3 and look for tags like "Mobile", "480p", or "PSP". 🔴 (High risk of malware if unverified)
Due to the nature of this series, it carries a rating for Sex & Nudity, Violence & Gore, and Frightening/Intense scenes. It is intended for adult audiences only. Where to Watch Portable Archive batches of the entire 6-episode OVA series
If you are running into brick walls while searching for this file, several factors explain the scarcity: It is intended for adult audiences only
The word "Portable" in your search might refer to legacy consoles. How to Safely Find and Stream the Episode
Kuroinu Subarashiki Hibi and subsequent HD remasters updated the original 2012 animation, meaning modern "portable" files are usually highly compressed 720p or 1080p MP4 files rather than old PSP formats. How to Safely Find and Stream the Episode
The third episode of the adult anime series (also known as Black Beast ) was officially released on April 27, 2012 .
If you cannot find an active link for a pre-made "portable" version of Episode 3, the safest workaround is to download a standard high-definition file from an established archive and compress it yourself.