Writer
Birthday: (NaN)
Birthplace: Tokyo, JapanAlso known as: 下山 健人,
Kamen Rider Zi...
9
Writer
Naruto Shippūd...
8.535
Writer
Naruto Shippūd...
8.535
Series Composi...
Uchu Sentai Ky...
8.5
Writer
Doubutsu Senta...
8.5
Writer
Bleach
8.4
Writer
Shinkansen Hen...
8.4
Series Composi...
Bleach
8.4
Series Composi...
Shomin Sample
8.4
Series Composi...
Our Last Crusa...
8.254
Series Composi...
Gintama
8.1
Script
No Game No Life
8.1
Writer
Blue Dragon
8.1
Script
Gintama
8.1
Writer
Blue Dragon
8.1
Writer
Gintama on The...
8
Screenplay
Anti-Magic Aca...
7.9
Writer
Anti-Magic Aca...
7.9
Series Composi...
Death March to...
7.892
Writer
Masamune-kun's...
7.711
Writer
Uchu Sentai Ky...
7.7
Writer
Mission: Yozak...
7.583
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...
7.212
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...
6.9
Writer
Armed Girl's M...
6.9
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...
Kaiju Girls Bl...
6.3
Writer
NARUTO Spin-Of...
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