Yuuko

Appears in the story "The Case of Toshiko and Naomi". Yuuko participates in the hunt for the mermaid's flesh but doesn't manage to catch a mermaid before sunrise, and turns into one in front of Toshiko. Yuuko is later seen as an "S" mermaid and is accidentally stabbed by Toshiko. No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles .