[Paranomasite] Polka discovers the Tamatebako linking Urashima Taro and mermaid legend

During her Paranomasite FILE38 stream, the key item 'Tamatebako' is revealed to be a mermaid's treasure vessel. The story brilliantly connects the Urashima Taro fairy tale and the Ise mermaid legend, leaving Omaru Polka thrilled by the revelation.

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