Sana Nobuto 登戸沙那

Sana is a mysterious girl with no memory of her past. She is protected by Jou and Jin as they attempt to run away from the military and government. Having no memories of her past, Sana becomes attached to Jin's caring affection and views Jou as a 'scary' person.

As the group goes through the adventure, Sana learns about her past, the horrific role the government wants her to play and discovers the reasons behind Jin's plans.