You Don't Understand Substitutes at All

Probably an infinite crossover story (feeling a little guilty)

Inoue Shizuka sometimes wonders what he would be like now if, that day, some wrinkled old geezer hadn't patted him on the shoulder and said, "You have the spirit of gold."

He probably wouldn't have peeked at people bathing, skipped out on paying for meals, stolen other people's wallets, become a gang boss, or ended up in prison doing... well, you know.