Ogura’s world changes forever when her school trip to Taiwan is interrupted by a surprise monster attack! Her life is spared by the arrival of a government agency that battles the monsters with weapons possessed by the spirits of historical figures.
S01:E01 - Gun One: Oda Nobunaga
Sio Ogura visits Taiwan with her class on a school trip. Strange creatures appear out of the ocean.
S01:E02 - Gun Two: Evolutionary Invaders
Ogura awakens Oda Nobunaga with her E-Gene and prepares a counterattack with Newton and Gandhi.
S01:E03 - Gun Three: Capa's Island
Ogura begins training with the reincarnation of Robert Capa.
S01:E04 - Gun Four: Hurricane
Ogura and the others are sent to deal with an Evolutionary Invasion Object.
S01:E05 - Gun Five: The 2nd Platoon
Ogura is assigned to join the DOGOO's Second Platoon which Newton and Gandhi are in.
S01:E06 - Gun Six: Monster Meat
The 1st platoon is transporting an Evolutionary Invader when their plane crashes.
S01:E07 - Gun Seven: Musashi Wonder
A ghost ship appears near Panama with Evolutionary Invader eggs on board.
S01:E08 - Gun Eight: Tunnel
Vidocq discovers something important about how the Evolutionary Invaders are communicating.
S01:E09 - Gun Nine: Sio and Kaoru
Sio and Kaoru are reunited at last when Sio visits Japan for medical treatment.
S01:E10 - Gun Ten: DOGOO
How DOGOO began and what lies in the Commander's past. Jack and Sio prepare for a new mission.
S01:E11 - Gun Eleven: Operation Stone Forest, Part 1
Sio makes her debut as operation commander as the fight to kill the underground Invaders begins.
S01:E12 - Gun Twelve: Operation Stone Forest, Part 2
Everyone's AU weapons are pushed to new levels to compensate for the Invaders' new evolution.
S01:E13 - Gun Thirteen: Nobunagun
Ogura and Jack go to finish off the second battleship from within.