Aika, nineteen years old, joins forces with Eri and Karen to unravel the mystery of the vanishing schoolgirls from St. Aero Academy. Some have returned, yet they carry no recollection of their ordeal. Assuming the guise of new students, the…

The details of Miyu’s past emerge: the circumstances of her first contact with the extraterrestrials and the subtle ways she persuaded her classmates to join her in the student council. Subsequently, the military assumes control of the inve…

Imprisoned by E.T.A.I., Aika is subjected to invasive probing, but her innate power shatters the alien tendrils. E.T.A.I. and Miyu then journey to the vessel where E.T.A.I. reveals Aika possesses abilities akin to his own. Following her vic…