UQ Holder Kuromaru's Dark Days (2017–2018) Online
- Original Title :
- Kuromaruu0027s Dark Days
- Genre :
- TV Episode / Animation / Action / Fantasy / Sci-Fi
- Year :
- 2017–2018
- Cast :
- Pooja Amin,Tia Lynn Ballard,Kalin Coates
- Type :
- TV Episode
- Time :
- 23min
- Rating :
- 6.8/10
The gang learns something about Kuromaru that must be kept secret from Tota. Meanwhile, they find trouble while they are out on the town.
| Episode credited cast: | |||
 | Pooja Amin | - | Additional Voices (voice) |
 | Tia Lynn Ballard | - | Shinobu (voice) |
| Kalin Coates | - | Kuromaru (voice) |
| Adam Gibbs | - | Ikku (voice) |
 | Jay Hickman | - | Jinbei (voice) |
| Heidi Hinkle | - | Yukihime (voice) |
| Jack Ivy | - | Kurobo (voice) |
| Natalie Jones | - | Additional Voices (voice) |
 | Brittney Karbowski | - | Tota (voice) |
| Amanda Lee | - | Kirie (voice) |
 | David Matranga | - | Asura (voice) |
 | Daman Mills | - | Fate (voice) |
 | Alejandro Saab | - | Chao (voice) |
| Molly Searcy | - | Karin (voice) |