Yuko Yoshida (吉田 優子 Yoshida Yūko), also known as Shadow Mistress Yuuko or its nickname Shamiko (シャミ子) is the main protagonist of Machikado Mazoku. She is a 15 year old girl who awakes her demon powers after one day waking up with a pair of horns and a tail.

Trivia Edit

  • The name Yuko means "excellence, superiority, gentleness" (優) (yu) and "child" (子) (ko).
  • Yuko's surname Yoshida means "lucky, good" (吉) (yoshi) and "field, rice paddy" (田) (da)
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