**Seiko Yoshida** is [Yuuko](https://anilist.co/character/141461) and [Ryouko](https://anilist.co/character/141462/Ryouko-Yoshida)'s mother.

When Yuuko Yoshida wakes up one morning to discover that she’s sprouted horns and a tail, she learns something that her mother has been meaning to tell her. You know that battle between the Light and Dark that’s been going on since the dawn of time? Well, Yuuko’s family are the bad guys. 
 
So now, Yuuko has to defeat a local magical girl to win back some of her family’s vanquished power so they can afford to go to the all-you-can-eat pancake restaurant. And, of course, it turns out that the Magical Girl goes to Yuuko’s school, but Momo’s really nice and keeps rescuing Yuuko, which is pretty embarrassing and leaves Yuuko rather conflicted… but… all you can eat pancakes? 
 
(Source: Sentai Filmworks)

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Her younger brother [Takashi Oohara](https://anilist.co/staff/96636/) is also a voice actor.

__Non-anime roles:__
- Harran - Goddess of Victory - Nikke (VG)
- Ningguang - Genshin Impact (VG)
- Mikasa - Azur Lane (VG)

Yoshida Yuko was living a perfectly normal (if poverty-stricken) life, but at the age of fifteen, she suddenly sprouts demon horns and a tail! Her mother explains that she's actually a demon named Shadow Mistress Yuko, once sealed away and cursed so that her family would remain poor for generations. Now Yuko can break that very curse if she defeats Chiyoda Momo, a magical girl who goes to her school…but Momo is stronger than she is, knows how to manage magical powers, and is so freaking nice that she's actually helping Yuko out of scrapes. Yuko's too weak and uncoordinated to straight-up kill Momo, even if she wanted to, but she can't just be buddies with this generous magical girl, either–she has to break the curse on her family somehow. What's a demon girl to do?
 
(Source: Seven Seas Entertainment)

The second season of Machikado Mazoku. 
 
Shamiko, AKA Shadow Mistress Yuuko, aims to break the curse placed on her family by the Clan of Light. Along the way, she forms an unlikely allegiance with Momo, a rival from the Light Clan! They’ll need to work together to find another magical girl who’s gone mysteriously missing, and what this? There’s a dangerous force lurking somewhere in the city, plus Shamiko’s mysterious father might be closer than she thinks? 
 
(Source: Sentai Filmworks)