Eizou Hakusho II actually consists of four separate volumes. Each volume focuses around one of the main characters; Yusuke, Kurama, Hiei, or Kuwabara. Each episode is basically recap about the specific character's involvement in the series.
The beginning of each episode also contains a short music video about the specific character, with a song by its seiyuu.+ More
Characters & Voice Actors

Hiei
Main
Hiyama, Nobuyuki
Japanese
Kurama
Main
Ogata, Megumi
Japanese
Kuwabara, Kazuma
Main
Chiba, Shigeru
Japanese
Urameshi, Yuusuke
Main
Sasaki, Nozomu
Japanese
Botan
Supporting
Miyuki, Sanae
Japanese
Itsuki
Supporting
Tsujitani, Kouji
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TV
23m
Delicious Party♡Precure
TV
24m
Yami Shibai 10
TV
5m
Strike the Blood Final
OVA
26m
Cat's Tea
ONA
9m
Eien no 831
Special
105m
Isuca (Uncensored)
TV
23m
Meng Qi Shi Shen 2nd Season
ONA
20m
The Case Study of Vanitas Episode 12.5 – Recap
Special
23m