Himari Kosaka (小坂 ひまり, born on May 24, 2003) is a Japanese adult video (AV) actress represented by Bambi Promotion. She made her official debut on March 15, 2024 as an exclusive performer for E-BODY. Standing at 155 cm, her body measurements ar 100 cm bust (I-cup), 61 cm waist, and 89 cm hips. Her curvy physique places her in the busty and voluptuous category.

Off-camera, she enjoys saunas, hot springs, and playing the piano. She is also a member of the sexy promotional unit Tokyo Hyena Girls (東京ハイエナ女子), which blends provocative aesthetics with social media engagement.