Writer
Birthday: (NaN)
Birthplace: Tokyo, JapanAlso known as: 下山 健人,
Naruto Shippūd...
8.534
Writer
Naruto Shippūd...
8.534
Series Composi...
Uchu Sentai Ky...
8.5
Writer
Doubutsu Senta...
8.5
Writer
Shinkansen Hen...
8.4
Series Composi...
Shomin Sample
8.4
Series Composi...
Bleach
8.376
Writer
Bleach
8.376
Series Composi...
Our Last Crusa...
8.3
Series Composi...
No Game No Life
8.102
Writer
Gintama
8.1
Script
Blue Dragon
8.1
Script
Gintama
8.1
Writer
Blue Dragon
8.1
Writer
Gintama on The...
8
Screenplay
Kamen Rider Zi...
8
Writer
Anti-Magic Aca...
7.906
Writer
Anti-Magic Aca...
7.906
Series Composi...
Death March to...
7.9
Writer
Masamune-kun's...
7.712
Writer
Uchu Sentai Ky...
7.7
Writer
Mission: Yozak...
7.522
Writer
We Rent Tsukum...
7.5
Series Composi...
Shenmue the An...
7.5
Series Composi...
Shenmue the An...
7.5
Script
Power Rangers ...
7.5
Writer
Kamen Sentai G...
7.4
Writer
Kamen Rider Zi...
7.3
Writer
Kaizoku Sentai...
7.3
Writer
The Ones Within
7.286
Writer
The Greatest D...
7.2
Writer
Shuriken Senta...
7.1
Story
Shuriken Senta...
7.1
Writer
Tensou Sentai ...
7.1
Writer
Come Back! Shu...
7
Writer
Shuriken Senta...
7
Screenplay
Good Luck Girl!
7
Series Composi...
Tokumei Sentai...
6.933
Writer
Armed Girl's M...
6.912
Writer
Armed Girl's M...
6.912
Series Composi...
Shinkansen Hen...
6.8
Writer
Uchu Sentai Ky...
6.7
Writer
Kamen Rider Zi...
6.7
Writer
Deep Insanity:...
6.7
Series Composi...
Deep Insanity:...
6.7
Writer
Tokumei Sentai...
6.6
Writer
Servant x Serv...
6.6
Series Composi...
They're Back! ...
6.5
Writer
Kikaider REBOOT
6.5
Writer
Doubutsu Senta...
6.5
Writer
Tensou Sentai ...
6.4
Screenplay
Kamen Rider
6.4
Writer
Kamen Rider
6.4
Series Composi...
NARUTO Spin-Of...
6.347
Writer
Kaiju Girls Bl...
6.3
Writer
Shuriken Senta...
6.2
Writer
Kamen Rider He...
6.1
Writer
Samurai Sentai...
0
Writer
Kamen Rider Wi...
0
Writer
Gintama on The...
0
Screenplay
Kamen Rider Zi...
0
Writer