Invasion - Mizushima Tatsu

A young woman wakes up in a hotel to a mysterious sight. Everyone seems to be asleep except for her. Not remembering who she is or what happened, she journeys out into the darkness and manages to find another like her: a young man. The two discover they both have powers beyond their understanding and are being hunted by a military force. Unbeknownst to both parties, however, a darker and more sinister enemy looms just over the horizon. Having no recollection of their past and confused they must learn to use their newfound powers to survive and find a way to stop this enemy that threatens the entire world.