Meguru Kosaka (小坂めぐる), born August 8, 1986, in Saitama Prefecture, Japan, is a celebrated Japanese AV idol renowned for her natural 70G-cup breasts. Measuring 157 cm tall, 49 kg, with 90-60-86 cm figure, brown eyes, and brunette hair, she debuted in December 2006 via Moodyz's 'Great Bust Debut' (MIDD-238). Kosaka starred in over 200 titles across studios like Moodyz, IdeaPocket, Prestige, Crystal-Eizou, and Natural High, specializing in big-bust themes, anal, lesbian scenes, and uncensored international releases.
Career peaks included #23 DMM ranking (H1 2009), AV Grand Prix nomination for 'Noble Sisters are Violated' (2008) with Mai Hanano, and collaborations with Shigeo Tokuda in 'Big Tits Loving Grandfather Erotic Mischief 6'. Her shaved pubic area and versatile performances solidified her legacy. No official retirement announced, but activity ceased post-early 2010s, marking her as a JAV big-bust icon.