Friends become enemies as the OSF splits in two. Yuito receives a promotion, but why can't he remember? Karen creates a new Seiran OSF platoon and tells Kasane they have Naomi in their care. The hunt for Nagi is on as Yuito gains fresh intel.
The quasi-black hole we created back then,
Dies ist ein Pseudo-Schwarzes-Loch,
das Kasane und ich erschaffen haben.
Ce pseudo trou noir que
j’ai créé avec toi par le passé.
O quase-buraco negro que
criamos naquela época.
Созданная мной и тобой в прошлом