Uruka is a 3rd-year student who has short pink hair with violet eyes. She is tanned, D cup chest, and has a long ahoge on top of her head. She sometimes ties her hair back on a few occasions.

Uruka is a genius when it comes to sports, having earned several titles in freestyle swimming, but her lazy nature and hatred for studying as made her terrible with her other academics.

She is friendly and has good relationships with all of the main characters. She expresses her likes and dislikes very easily, often makes Nariyuki unready to understand.

She is good at housework, but she does not tell that to Nariyuki and the other classmates.