now that i think about it this is pretty crazy for a bunch of 15 year olds

They are older by this time line they are adults now

yup, but they are in middle school during flashbacks

They living that Tokyo revengers life lol. Literally considering two no three legit come from background of gangsters (with the exception mo father just interact with gangsters tried make him sell his restaurant if I remember right. Then the white hair bastard his name doesn't deserve speaking )