Midorikawa (緑川 Midorikawa), otherwise known as the Mantis Orphnoch (マンティスオルフェノク Mantisu Orufenoku, 3 & 4), is one of the three bounty hunters sent to take back the Faiz Gear. He is equipped with a pair of knife-like sickles and can jump up to 30 meters. Midorikawa is a senior bounty hunter over Akai. Once learning the Faiz Gear is at Miyazaki, he and Akai go after it and take the Faiz Gear. Takumi was forced to fight the Mantis Orphnoch until Akai gets the Faiz Gear and uses it to kill Midorikawa.