Writer
Birthday: (NaN)
Birthplace: Tokyo, JapanAlso known as: 下山 健人,
Super Sentai S...
10
Series Composi...
Kamen Rider Zi...
9
Original Story
Kamen Rider Zi...
9
Writer
Naruto Shippūd...
8.534
Writer
Naruto Shippūd...
8.534
Series Composi...
Uchu Sentai Ky...
8.5
Writer
Doubutsu Senta...
8.5
Writer
Bleach
8.4
Writer
Bleach
8.4
Series Composi...
Shomin Sample
8.4
Series Composi...
Our Last Crusa...
8.2
Series Composi...
Blue Dragon
8.2
Script
Blue Dragon
8.2
Writer
Gintama
8.114
Script
Gintama
8.114
Writer
No Game No Life
8.101
Writer
Anti-Magic Aca...
7.885
Writer
Anti-Magic Aca...
7.885
Series Composi...
Uchu Sentai Ky...
7.846
Writer
Death March to...
7.826
Series Composi...
Death March to...
7.826
Writer
Masamune-kun's...
7.726
Writer
Shinkansen Hen...
7.7
Series Composi...
Mission: Yozak...
7.6
Writer
Power Rangers ...
7.5
Writer
Shenmue the An...
7.476
Series Composi...
Shenmue the An...
7.476
Script
Kamen Sentai G...
7.4
Writer
Kaizoku Sentai...
7.3
Writer
The Greatest D...
7.232
Writer
We Rent Tsukum...
7.2
Series Composi...
We Rent Tsukum...
7.2
Writer
Shuriken Senta...
7.1
Story
Shuriken Senta...
7.1
Writer
Tensou Sentai ...
7.1
Writer
Tokumei Sentai...
7.1
Writer
Come Back! Shu...
7
Writer
Shuriken Senta...
7
Screenplay
The Ones Within
6.9
Writer
Armed Girl's M...
6.809
Writer
Armed Girl's M...
6.809
Series Composi...
Shinkansen Hen...
6.8
Writer
Good Luck Girl!
6.8
Series Composi...
Uchu Sentai Ky...
6.7
Writer
Kamen Rider Zi...
6.7
Writer
Tokumei Sentai...
6.6
Writer
Servant x Serv...
6.6
Series Composi...
Kikaider REBOOT
6.583
Writer
They're Back! ...
6.5
Writer
Doubutsu Senta...
6.5
Writer
Tensou Sentai ...
6.4
Screenplay
Kamen Rider
6.4
Writer
Deep Insanity:...
6.4
Series Composi...
Deep Insanity:...
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
Gintama on The...
6
Screenplay
Gintama on The...
4
Screenplay
Samurai Sentai...
0
Writer
Kamen Rider Wi...
0
Writer