Restarting (Start Nine)

Two years after being adopted alongside his little sister Nao, Akai finds himself the sole provider following the tragic and mysterious death of his mother. Some time later his adoptive father leaves. In the wake of his misfortune Akai is murdered at school only to awaken hours earlier in his bedroom. Stuck with the burden of saving his loved ones and maintaining his own moral boundaries the dilemma of his life's value comes to question. After all, when given infinite lives isn't it his responsibility to save those around him from otherwise certain death?