Harumu Kubo is a professional footballer from JPN and is currently 19 years old. He is on the books of Nagoya Grampus and wears shirt number 37. At international level, he features for Japan U19. His main role on the pitch is Defender. He measures 184cm in height and weighs 73kg.

His latest transfer saw him join Nagoya Grampus from Maebashi Ikuei High School via on 2026-01-31.