Two orphans twin sisters, Yuna and Luna, were caught and placed separately in an unknown facility. The elder sister, Yuna tries to find Luna in the facility and rescue her. They aim to escape from the facility which is surrounded by a strange and mysterious atmosphere.

Two orphans twin sisters, Yuna and Luna, were caught and placed separately in an unknown facility. The elder sister, Yuna tries to find Luna in the facility and rescue her. They aim to escape from the facility which is surrounded by a strange and mysterious atmosphere.