Yokune Ruko

Carefree: She doesn't usually take things too seriously and prefers to go at her own pace without caring much about other people's opinions.

Changing Attitude (Tsundere/Kuudere): Tends to appear distant, a little cold or indifferent at first, but has a rather passionate or competitive side when it comes to singing or being on stage.

Coffee Lover: To combat that constant drowsiness, he has a strong addiction to coffee (especially black coffee or espresso), which is considered his key object or characteristic "item".

Sleepy and Lazy: She loves to sleep a lot; in fact, she is described as spending much of the day drowsy or looking for a comfortable place to rest.

Gender Identity: Canonically defined as intersex or hermaphrodite (specifically with a 90% male and 10% female ratio), which is reflected in its androgynous design and the fact that it has both male and female voice banks.

Clothing: She wears a long, dark blue jacket with light trim, which she wears open. Underneath, she wears a black top or bra, along with a loose blue tie. She wears dark, fitted trousers and a double belt.

Hair: She has long, black or dark gray hair, styled in two somewhat messy twin tails. She also has a bright blue streak that stands out in her bangs.

Heterochromia: Her most iconic visual feature. Her right eye is blue and her left eye is red.