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|Series||Fukai ni Nemuru Oujo no Abaddon|
|Voice Actress||Nana Nogami|
Yuki Ayakouji is a side character from an old game known as Fukai no Nemuru Oujo no Abaddon. A horror rpg game about Homura Yamanobe, a young man who visits an old Mansion to return a set of keys to his father, along with his friends.
A young girl with a pale tan complexion and petite frame. Her short brown hair worn in a bob cut, and her black Tareme eyes give her an innocent and harmless appearance.
A mysterious girl found by Homura while in the Mansion. She appears to be kind and is gentle, often speaking in third person. She can be posessive over someone she likes- and this someone happens to be her older twin brother.