Yuka is a fair-skinned girl with sandy blonde hair with braids on the side and violet eyes. She has a well developed body that is covered with bruises due to the bullying of her schoolmates.
Although she didn't get her stick, her emblem is shown to be the roman numeral "XIII".
Before she started high school, she was a very joyful girl, but soon she started to be attacked and harassed by her best friends, causing her to become suicidal.
During her time of being harassed and bullied, she vented on an account called "Girl in the corner" she made on twitter, talking about how she wanted to die and how she hoped the "urban legend" about the Mahou Shoujo Site was true.
One day, she decided to finally commit suicide by getting hit by a train, but before she was, she became a magical girl. She posted on her twitter account "It's coming" over and over again. Her twitter account was deactivated right after she posted it.
Even though she didn't get her stick from Ni, the ability of it allows her to trap all the oxygen from her surroundings in her stick, it is not specified if it has an area limitation. It is also shown that the user's oxygen is not affected, this was shown when Alice Misumi used it.
- She is one of three magical girls to not get a stick.
- "Yuka" translates to "floor", "bed", or "alcove".
- Her hobbies are reading, studying, cooking, and athletics.
- Yuka likes sweets and dislikes reptiles.
- Her birthday is on June 19th.