Himouto! Umaruchan Umaru's Onii-chan (2015– ) Online
- Original Title :
- Umaruu0027s Onii-chan
- Genre :
- TV Episode / Animation / Comedy
- Year :
- 2015–
- Directror :
- Shôgo Arai,Masahiko Ôta
- Cast :
- Aimi Tanaka,Kenji Nojima,Akari Kageyama
- Writer :
- Kyle Jones,Kenji Sugihara
- Type :
- TV Episode
- Time :
- 24min
- Rating :
- 8.4/10
People in his office have seen Taihei walking home and going shopping with a hot girl! His coworker comes over for a visit to see this so-called "sister" for himself.
| Episode credited cast: | |||
 | Aimi Tanaka | - | Umaru Doma (voice) |
| Kenji Nojima | - | Taihei Doma (voice) |
| Akari Kageyama | - | Nana Ebina (voice) |
| Haruka Shiraishi | - | Kirie Motoba (voice) |
| Yurina Furukawa | - | Sylphynford Tachibana (voice) |
| Hiroki Yasumoto | - | Takeshi Motoba (voice) |
| Tetsuya Kakihara | - | Alex Tachibana (voice) |
| Hiroki Maeda | - | Restaurant Staff (voice) |
| Ikuto Kanemasa | - | Restaurant Staff (voice) |
| Toshiki Kurosawa | - | Restaurant Staff (voice) |
| Kyoko Chikiri | - | Old Lady (voice) |
| Miyu Tomita | - | Young Taihei (voice) |
| Rest of cast listed alphabetically: | |||
 | Jason Douglas | - | Takeshi 'Bomber' Matoba (voice) |
| Scott Gibbs | - | Alex Tachibana (voice) |
| Christina Marie Kelly | - | Sylphynford Tachibana (voice) (as Christina Kelly) |