I figured out how sena's able to run at superhuman speed
okay now major spoiler here if you want to know just click here
http://www.onemanga.com/Eyeshield_21/107/09/
(spoiler):if you're a one piece fan you should look at the pose + the smoke coming off his body…. yes I mean sena can go into gear 2nd
there are two gomu gomu men