Things that you really, really didn’t want to know existed.
The previous anon obviously have never had so little money that the couldbt even afford a 100yen onigiri to feed themselves. I myself have never used any of the things you mentioned. But I used to meet and handover my used underwear for money to old guys here in Tokyo and I made a bad choice between being evicted or having money and now my face and body is on the internet. I regret my decision but not as much as I would being without a house and food.