The BEST episodes written by Hiroshi Koujina
#1 - Things Learned on the Road
Grenadier - Season 1 - Episode 12
It's the final showdown: Kaizen vs Yajiro, Rushuna vs Setsuna and Touka & Mikan vs the Army.
#2 - The Smiling Senshi
Grenadier - Season 1 - Episode 1
After a failed attack to get back their leader, Yajiro meets Rushuna, who wants to get into the same castle he does.