Jun Hiyori's Chronicle

After Jinya Jun and Mizorogi "perished together," Jun recovered his body inside the Stone Wing for the last time. During his recovery, the hyperdimensional demon Etelgar suddenly appeared in the ruins. With no other choice, Nexus once again had Jinya Jun transform. After a fierce battle, Nexus was sealed away and taken from this universe, but a part of that light remained with Jinya Jun forever...