Finding this specific OVA (Original Video Animation) on major streaming platforms depends heavily on your region:
Episode 4, titled " Memories of Hatred " (or From the Memories of Hatred ), originally premiered in Japanese theaters on July 4, 2015. Where to Watch
The complete series is available on Blu-ray/DVD via retailers like Amazon, distributed by Funimation/Crunchyroll. Episode Overview
The series is available in certain regions like the United Kingdom. In the United States, it is often not directly searchable on the main app but may appear through the Crunchyroll Amazon Channel.