Help,please.

I'm 15,last year,I fell into corn addiction,it started as me thinking it was fun at first,2 months in,I realized I'm addicted,till now,my streak is 13 days clean,that was 3 months ago,I'm tired,I tried everything,took all the advice I could,blockers,Dns, showers,gym,***everything,***I didn't work,I find a way or I turn it off,I'm on a cut right now,addiction only makes it harder,I'm supposed to be 63kgs by November,I'm 65 now,i live with my parents,they don't allow me to go the gym anytime,I need to plan first,no late night walks,no showers at any moment,everything gets questioned,if I tell them the truth,I'm out of this house in 5 minutes,so I can't,I have parental controls,I'm bloated,I'm fat,and Im tired,I have no mental strength,fuck motivation,it doesn't work,Ive been facing bullying at school,I'm insecure about weight,in 8 months,I only lost 10kgs,I wanted to lose 15,and gain 3 in muscle,but I failed,I promised my self 3 weeks,I wouldn't get to a year of addiction without quitting,to no surprise I failed,I'm tired and I'm hollow inside,i need help,fuck advice,I need a solution,one that will help me for the long while,and I've tried every method,so don't tell me some lessfap advice,it doesn't work