Hayashi’s frank, guileless demeanor quietly draws the attention of classmates and strangers as he counts all the stairs in school, photographs street signs, and dries sweet potatoes on the classroom balcony. In a world shaped by conformity, Hayashi is refreshingly and unapologetically true to himself. Conversely, Nikaidou has worked very hard to perfect a gloomy, dour façade that keeps his classmates far, far away. While much of the school regards Nikaidou as a bad omen, one student catches a glimpse behind the mask and—undeterred by rumors of bad luck and supernatural powers—begins to pick away Nikaidou’s carefully crafted persona…
 
(Source: Yen Press)
 
Note: Winner of the Short Work Prize category of the 24th Annual Tezuka Osamu Cultural Prize (2020).

Hayashi’s frank, guileless demeanor quietly draws the attention of classmates and strangers as he counts all the stairs in school, photographs street signs, and dries sweet potatoes on the classroom balcony. In a world shaped by conformity, Hayashi is refreshingly and unapologetically true to himself. Conversely, Nikaidou has worked very hard to perfect a gloomy, dour façade that keeps his classmates far, far away. While much of the school regards Nikaidou as a bad omen, one student catches a glimpse behind the mask and—undeterred by rumors of bad luck and supernatural powers—begins to pick away Nikaidou’s carefully crafted persona… 
 
(Source: Yen Press)

__Height:__ 177 cm 
__Agency:__ Gekidan Himawari  
__Awards:__  Best New Actor at the 5th Annual Seiyuu Awards (2011)  
__Non-Anime Roles:__
~!- Lean (Final Fantasy Type 0)
- Ventus, Roxas (Kingdom Hearts series)
- Neku Sakuraba (The World Ends With You)
- Banagher Links (Mobile Suit Gundam: Gundam vs. Gundam Next)
- Rinne Rokudo (Kyoukai no Rinne trailer)
- Enma Kozato (Katekyo Hitman REBORN! Vomic)
- Razor (Genshin Impact)
- Rean Schwarzer (The Legend of Heroes Series)
- Protagonist (Persona 5: The Phantom X)
!~

[Profile](https://profile.himawari.net/view/1559)

Koki Uchiyama is a Japanese actor and voice actor from Saitama Prefecture affiliated with Himawari Theatre Group.

Joji Ema