[Sunred]

Just realized Muto was the one who wrote the best rendition of the Hana Kimi drama that aired back in 2007 in Japan. The one where many toku alumnis were in.(yes the 2011 version has its share too but this was the better one, sorry Kamen Rider Kickhopper, Red Buster, Kamen Rider Gatack, Kamen Rider Joker + the other half of Kamen Rider W, Kamen Rider Specter, Brain Roimude, Kamen Rider Chaser, Dagon Zodiarts, Aries Zodiarts)
The one where the three dorm leaders were played by Kamen Rider Kabuto, Kuwaga Raiger, Gavan Type-G.
The same show where other notable students were:

Dorm 1
Satoru/Bouken Red
Otoya/Kamen Rider IXA 1986 from Kiva

Dorm 2
Mirai/Ultraman Mebius
Tsurugi/Kamen Rider Sasword
Yuya from Gaim
Argos/Kamen Rider Dark Ghost
Gai/Gokai Silver

Dorm 3
Nago-san/Kamen Rider IXA 2008
Sosuke/Go-on Red