Yui Itsuki is a voice actress and singer, and works in Holy Peak agency as a voice actress. She is also the lead vocalist for Yousei Teikoku. She is noted as Moe in Da Capo and Kira in Futakoi.
Yui Itsuki provides examples of the following tropes:
- Ascended Fangirl: Voiced Paula in Black Butler
- Costume Porn: All her outfits
- Creator Cameo: In addition to providing the voice of one of the characters and her band providing some of the game's music, she makes an appearance in The Guided Fate Paradox as the Music Shop manager under the name "Lady Yui".
- The Cutie: In an alluring-yet-creepy way.
- Eerie Pale-Skinned Brunette
- Fluffy Fashion Feathers: In her hair and as part of her outfits.
- Gratuitous German: Often.
- Hair Decorations: Hats, feathers, flowers, veils, lace, ribbons, and many others.
- Hime Cut: Her signature hairstyle.
- I Am the Band: Arguably this for Yousei Teikoku and Denkare.
- Impractically Fancy Outfit
- Improbable Hairstyle: Perfectly straight, silky, jet-black hair. With a few red highlights.
- Ms. Fanservice: Very well-known for this. There's not a single outfit of hers that doesn't show her shoulders or legs. And even if she's wearing non-revealing attire, she still finds a way around it somehow.
- One-Woman Wail: In some of her songs.
- Only Known by Their Nickname: Averted. She is known by both her real and stage names.
- Unlimited Wardrobe: Elegant Gothic Lolita dresses. A whole lot of them.