High school girl Ogura Sio is on a trip to Taiwan with her class when mysterious creatures attack humankind. To save her only friend, she'll need a weapon; the kind of weapon only one of the great souls of old can give her.

Now that Sio's been identified as an e-gene holder, she faces a hard choice: can she bear to leave her old life behind to join the fight for Earth's freedom?

DOGOO sends Sio off to get some battle training, and she's strictly forbidden from contacting her family and friends until she finishes. But she just might get the chance to make some new friends on base...

Sio's sent into battle in a Category 4 hurricane before she's finished her training. Will some dancing lessons from an ancient warlord make up the difference? Will she be able to hit a moving target this time?

Sio is assigned to the 2nd platoon. When she joins up with them on their airship, she learns that e-gene holders just keep getting weirder. Meanwhile, DOGOO learns something new about the Evolutionary Invaders - and it's not good news.

The 1st platoon is transporting an Evolutionary Invader when their plane crashes in Alaska during a blizzard. Finding shelter at a nearby science lab seems simple enough, but...