Project Pegasus

Amidst having almost everything he wants, Hiiro Akira, a grade 12 student is still caged by the death of his first love, Haruka. As he was remembering her again, a strange loud noise disturbed him. It came from a burning airplane falling towards him. Waking up, he found himself in an unknown, desolated place. The worst thing is that he became a skeleton of a familiar necromancer. Who is this girl who looks exactly like his first love?