Psyren Vol. 10 (manga)

When No. 7 was a child, she and her twin brother Miroku Amagi were subjected to inhuman experiments at the hand of the Grigori Project, a government project to study children with Psionic powers. Ageha and his friends must travel back to their own time to stop Miroku before he brings about the end of society as they know it...but the attentions of the media and the police aren't making things any easier!