Yuka Yoshii is a fictional character from the anime series Tsundero. She is portrayed as a high school student with a classic tsundere personality, often oscillating between a tough exterior and moments of genuine kindness. Yuka serves as the series' female protagonist, frequently interacting with the main character and driving much of the show's comedic and romantic tension. Her development throughout the series explores themes of self-acceptance and emotional vulnerability, making her a relatable and memorable character.