Have you heard of the girl who cried rain?

You have heard numerous rumours and gossips about the academy. Haunted by 7 mysteries, but have you heard of lost spirit called The girl who cried rain? They call her, Kasa Megami.
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This book is an author x character book, yes me~ if you follow me on Instagram, you would have seen my persona, Kasa, translated to Umbrella. This book is just for fun so bare with me if I made any mistakes.