Hitotsu no Tairiku no Monogatari: Allison to Will to Lillia to Treize to Meg to Seron to Sono Hoka

After Allison sees off Major Travas on his trip, the plane he was on explodes and crashes. Meanwhile, the members of the newspaper club of the academy Lillia attends begin their investigation on the 'mysterious transfer student' Treize. Upon coming across a strange phenomenon around the school locke