Also known as: 吉田優子, シャミ子, 吉田優子/シャミ子/吉田良子
Titular character of the anime/manga series Machikado Mazoku. She is a newly awakened Demon Girl with Brown Eyes and Brown Hair (red in the anime) along with Horns and a Demon Tail.
Her demonic alias is 'Shadow Mistress Yuuko' (シャドウミストレス優子), shortened by others to Shamiko (シャミ子).
Similar to magical girls, she can magically transform into a revealing Crisis Management Form costume to enhance her abilities.