There is nothing wrong with being friends with people of different age.
There is a problem with being lovers with people that young, but as far as we know, this was not part of the plan.
Those who touch or even flip skirts of junior high schools are jailed, like the famous author of act-age.
This crime is more shameful than Tax Evasion, which Mamare Touno did.
She's been confiding in a middle schooler for a long time before the series, chose a male avatar to get closer to him and fantasized about teaching him an "adult physical lesson" while looking right at him in person in the love hotel.
She's a victim because she targeted a sex comedy protagonist, but she'd just be an offending pedophile if she chose any other kid.