Igama elingukhiye Electric Shock

The invasion of an alien race known as the Oni begins a new life for Ataru Moroboshi, a lecherous trouble-making tenth grader in the small town of Tomobiki. After unwittingly proposing to the Oni princess Lum Invader instead of his sweetheart Shinobu, Ataru becomes a conduit for aliens arriving on Earth, causing all sorts of havoc for him and his companions, not to mention his own reputation!

While rescuing his wealthy boss's daughter from kidnappers, Sugata Kageoh, struck by an electric shock, was given the ability to merge with his shadow and transform into Kagestar!