Haru, raised in a single-parent household with her father, is a naturally caring and devoted girl. Always concerned about her father's well-being, she diligently manages cooking, laundry, and daily chores between her studies. She also tenderly and compassionately attends to his sexual needs, fulfilling her role with kindness and affection. Her genuine declaration, "I have to take care of Daddy's cock too!" perfectly captures her pure-hearted nature and enhances her irresistible charm.