Ryutaro Oyama is a character in Cardfight!! Vanguard: Shinemon. His role is currently unknown. He uses the Narukami clan with Dragonic Vanquisher.
Ryutaro Oyama is a card fighter who fights against strong opponents, while also having fun.
He has extremely spiky gold hair. He wears an orange t-shirt with a white undershirt and blue jean shorts. He also has a tooth necklace