Ep. 39: The Friend Who Became a Demon

The Friend Who Became a Demon is the thiry-ninth episode of Battle Fever J.

Synopsis
Jin goes to his yearly physical at Johoku University, and his physician and friend Dr. Sekine seems to be showing the signs of an ulcer. Sarome lures him to a facility called the immortal club, where they reveal he has malignant cancer and 3 months left to live. They then give him the option of joining Egos and having immortality. Egos turns him into a Jekyl/Hyde type of vampire. Fearing for his friend Jin asks Kenya to brew him some African herbal remedy, when they discover the vampire. The proximity to Sekine’s condo makes Jin begin to suspect his friend. Unable to control his transformations, Sekine kills his rival and his supervisor, giving him promotion after promotion. Battle Fever moved to protect his love interest, Noriko and they confirm their suspicions.