Ryō Mimasaka, known as &quot;Gorgon Shell&quot; (石化の盾, lit. &quot;petrifying shield&quot;), uses &quot;Oshiroibori&quot; (白粉彫り) 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.    

Minami Itsuki never thought about seriously riding Air Treck motorized roller blades, until he got his butt handed to him by a street gang of Storm Riders. That day, he discovered in a locked up room, a pair of AT's and a box of stickers belonging to the Sleeping Forest street gang. One thing leads to another, and Ikki dons the wheels and begins to ride. As his reputation builds in the AT street fighting/racing world, he begins to develop his own gang and participate in more fights, gaining more and more territory. 

[Profile](https://osawa-inc.co.jp/women/itomiki/)

Ikki Minami is a junior high school student with a dream—to become the best Air Trek rider in town. It won’t be easy, as he faces a lot of competition from boys and girls alike. What is Air Trek? Just the latest craze that involves taking a two-wheel inline skate and adding a motor, suspension, and a shock absorber to enable the wearer to execute the wildest, wackiest, most aggressive moves you can imagine. Ikki has a lot to learn as he fights his way to the top in this wild, sexy manga from the creator of Tenjho Tenge!
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(Source: Kodansha USA)

Ryo Mimasaka