So anon was pissed because she did something illegal, served her time and now she's using the same app as billions other people ?
I have no idea what the prison system in Japan is like, maybe it's not for profit?
Trying to make money out of incarceration seems like the most obvious problem in the world.
When thou art desperate enough...
Well. People can change, but I do understand if such an act might put you on your toes 😅