Ma ga ochiru yoru / The Night When Evil Falls

A war between demons has broken out in Tokyo. Lord Gilva, a powerful dark demon and local leader, recovers his strength after a severe defeat using the energy that aroused women receive.

His arch-rival, the young demoness Shellis Zurbach, believes that Gilva uses women too cruelly to strengthen his power. She decides to come down to earth in Tokyo and teams up with a local girl whose parents were killed by a demonic lord.

Despite her weakened state, Gilva periodically creates problems for the girls with the help of her henchmen. Young Shellis faces a difficult path to the "Superboss", where she will have to overcome fire, water and other obstacles.