Ryo Mimasaka

美作涼, Gorgon Shell
Ry Mimasaka known as quotGorgon Shellquot lit. quotpetrifying shieldquot uses quotOshiroiboriquot tattoos which are almost invisible to the naked eye to hypnotize the opponent to the point that their metabolism slows down so much that it leads to paralysis. She is very close to Sano Yasuyoshi having known him from their school days and works under him. She sacrifices herself to save Sano from being killed by Nike.