Main character
Toshinari Seki関 俊成
- appearances
- 3
- appearances
- main roles
- 3
- main roles

Toshinari Seki at a glance
Toshinari Seki is a main character in Tonari no Seki-kun.
Also known as Seki-kun.
Toshinari Seki: quick facts
- Anime
- Tonari no Seki-kun
- Role
- Main character
- Also known as
- Seki-kun
- First appearance
- Tonari no Seki-kun OVA (2014)
- Latest appearance
- Tonari no Seki-kun Specials (2014)
- Japanese name
- 関 俊成
Who is Toshinari Seki?
The boy who sits next to Yokoi and is always playing around with something in the middle of class. He is very dedicated to his games and makes things with attention to every little detail. He believes in all kind occult things, supernatural activity and fortune telling. As Yokoi mentions, in his games he often picks on the weak. He has a little sister Jun. Despite the fact that he can easily ignore her during his games he cares about her.
Toshinari Seki in numbers
- Appearances
- 3
- 3 as a main character
- On screen
- 2014
- one year
Appearances by format
3 titles in total
- OVA1 · 33%
- TV Series1 · 33%
- Special1 · 33%
Appearances
More characters from Tonari no Seki-kun
Toshinari Seki FAQ
What anime is Toshinari Seki from?
Toshinari Seki is a main character in Tonari no Seki-kun and appears in 3 titles in total, including Tonari no Seki-kun OVA and Tonari no Seki-kun Specials.
What is Toshinari's full name?
Toshinari's full name is Toshinari Seki (関 俊成 in Japanese). Toshinari Seki is also known as Seki-kun.
When did Toshinari Seki first appear?
Toshinari Seki first appeared in Tonari no Seki-kun OVA (2014) and most recently appeared in Tonari no Seki-kun Specials (2014).
What is Toshinari Seki's Japanese name?
Toshinari Seki is written 関 俊成 in Japanese.
Where can I watch Toshinari Seki?
Open the Tonari no Seki-kun page for licensed streaming links and the full episode list.











