One day, a normal young man named Jiro Tanaka moved from Tokyo to Fukuoka to see his childhood friend Yuki, whom he hasn't seen in 17 years. He was saved by Ohgaman when Yabai Kamen was about to do him in! Seeing some potential in Jiro, Ohgaman trusts Fukuoka's safety in his hands! Now as a hero simply known as "Rookie", can Jiro able to be the hero that saves Fukuoka?

福岡のヒーローたちが能古島での恋愛リアリティーショー「HEROHOUSE」撮影を終えて本島に戻ってきたところ、福岡全土は謎の力を手に入れた株式会社悪の秘密結社に侵略されてしまっていた。唯一「HERO HOUSE」撮影不参加だったオーガマンも一般人の青年・田中次郎を庇って傷を負ったため、田中に福岡の平和を取り戻す使命を与える。