The Excellent: Kekko Kamen Gaiden (THE エクセレント ～けっこう仮面外伝～) is a 35-page long one-shot Japanese comic book written and drawn by Shinobu Inokuma based on the original work of Japanese cartoonist Go Nagai. The cartoon was originally published in Shueisha's publication Business Jump #14 of 2011, released for sale on 2011-06-15 (cover date #2011-07-06). It hasn't been collected anywhere else. The story is a sequel to the original Kekko Kamen. Mayumi Takahashi, the damsel in distress that was always rescued by the original Kekko Kamen, is now a teacher and is also secretly Kekko Kamen Next.