A story of a machine that have been left behind during the retreat. One of those that later were dubbed Katyushi.
Greetings from Katyushi (Season 1)
Episode 01 0.0
Air date: 2013-05-01
Runtime: 50 min
Episode 02 0.0
Air date: 2013-05-02
Runtime: 50 min
Episode 03 0.0
Air date: 2013-05-03
Runtime: 50 min
Episode 04 0.0
Air date: 2013-05-04
Runtime: 50 min
Seasons
Episodes 4