Hello? Yama! I want to change my martial arts!
Hello? Yama! I want to change money!
Hello? Yama! I want to ask you a question!
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An Yuhan had a ring system that could be exchanged for anything. She got it from the King of Hell, but she was very unhappy.
She always felt that something was wrong, but she couldn't tell what was wrong. She always felt as if she was the one being cheated.