Yn was the son of the flash enemy reverse flash the hero's but a power blocker on you so you can't use your speed later on the years you've been bullied by students for being quirkless you had a crush on Izumi (female izuku) and told her you feel ab...
After a few months in the speed force Yn training was difficult but Worth it Yn learn all what he can do with his speed Yn so fast that he like a phantom
(You know how Batman disappears without people knowing Yn will be that fast)
But it was Yn time to return to earth
Yn:well mom it was amazing training but it's my time to return to earth
M/n:I know but I'll always be there when you need me for advice I love you Yn
Yn:love you to mom
M/n:before you leave I have a surprise for you
M/n snaps her fingers and a uniform appears on yn
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Yn:wow my own costume
M/n:so what are you going to name yourself you need a name so the citizens know what your vigilante name will be
Yn:hm how about phantom runner
M/n:phantom runner I like
Yn/m:thanks well I should get going
M/n:bye sweetheart
Yn:bye mom I'll talk to to you again soon
Yn starts running till he got out of the speed force and was back in Japan
Yn:well looks like I'm back
Yn starts running try to find a place to rest tiller found a place it was a roof top of a hotel building
Yn:okay first need money for buy a house second get frost and Harley out of Tartarus I'll have to wait awhile to get frost and Harley I need to a lot of money do a little bit of vigilantism for a while take down some drug cartels and sex traffickers and take there money But first some rest but how do I get this costume off
The costume disappears with leaving his outfit on And symbol appear on top of Yn right wrist
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Yn:well that's handy now to rest
Yn starts going to sleep
Barry pov
Barry was in star labs thinking what he done making Yn life horrible with his petty revenge Till he something came out of the speed force that made him worried
Barry:something came out of the speed force but what was it
