Ryuki Osa is a professional footballer from JPN and is currently 19 years old. He is on the books of Kawasaki Frontale and wears shirt number 34. His main role on the pitch is Midfield. He measures 168cm in height and weighs 64kg. His estimated market valuation currently stands at 200K €.

His latest transfer saw him join Kawasaki Frontale from Shohei High School via on 2026-01-31.