Main character
Si Xu徐 四
- appearances
- 2
- appearances
- main roles
- 1
- main roles

Si Xu at a glance
Si Xu is a main character in Hitori no Shita: The Outcast. Si Xu is voiced by Shinnosuke Tachibana in Japanese.
Also known as Jo Yon.
Si Xu: quick facts
- Role
- Main character
- Also known as
- Jo Yon
- First appearance
- Hitori no Shita: The Outcast (2016)
- Latest appearance
- Hitori no Shita: The Outcast 2nd Season (2017)
- Japanese name
- 徐 四
- Japanese voice
Shinnosuke Tachibana
Full Hitori no Shita: The Outcast cast👤 Most popular characters
Who is Si Xu?
No biography has been written for this character yet.
Si Xu in numbers
- Rank in Hitori no Shita: The Outcast
- #9
- of 25 characters, by favourites
- Appearances
- 2
- 1 as a main character
- On screen
- 2016–2017
- 2 years
Most-loved characters in Hitori no Shita: The Outcast
AniList favourites
- Baobao Feng205
- Chulan Zhang73
- Lingyu Zhang10
- He Xia9
- Yanyan Liu5
- Shayan Feng5
- Xingtong Feng4
- San Xu3
- Si Xu3
Show as table
| Item | Favourites |
|---|---|
| Baobao Feng | 205 |
| Chulan Zhang | 73 |
| Lingyu Zhang | 10 |
| He Xia | 9 |
| Yanyan Liu | 5 |
| Shayan Feng | 5 |
| Xingtong Feng | 4 |
| San Xu | 3 |
| Si Xu | 3 |
Appearances by format
2 titles in total
- TV Series1 · 50%
- ONA1 · 50%
Appearances
More characters from Hitori no Shita: The Outcast
Si Xu FAQ
What anime is Si Xu from?
Si Xu is a main character in Hitori no Shita: The Outcast and appears in 2 titles in total, including Hitori no Shita: The Outcast 2nd Season.
Who voices Si Xu?
Si Xu is voiced by Shinnosuke Tachibana in Japanese.
What is Si's full name?
Si's full name is Si Xu (徐 四 in Japanese). Si Xu is also known as Jo Yon.
When did Si Xu first appear?
Si Xu first appeared in Hitori no Shita: The Outcast (2016) and most recently appeared in Hitori no Shita: The Outcast 2nd Season (2017).
What is Si Xu's Japanese name?
Si Xu is written 徐 四 in Japanese.
Where can I watch Si Xu?
Open the Hitori no Shita: The Outcast page for licensed streaming links and the full episode list.











