Kobeni Higashiyama is a 20-year-old petite catgirl with brown hair, tied in a ponytail. She has brown eyes. She has two hair clips. Kobeni has fair skin and is 5'3". Kobeni has the lifespan of a human.

Kobeni is shy, timid, and exceptionally cowardly with few moments of courage. Kobeni is shown to easily crack under pressure and breaks down in tears when she's fearful. Kobeni is shown to enjoy alcohol, especially when it is paid for by someone else. Kobeni's hobby is to eat tasty things.