Ryouma Sakamoto

Supporting in Monster Strike Supporting in Monster Strike: Mermaid Rhapsody Supporting in Monster Strike: Zoku Saishuu-banashi - Pandora no Hako Supporting in Monster Strike Anime Supporting in Monster Strike: Katsubou no Hate no Risoukyou Main in Monster Strike Anime: Kieyuku Uchuu-hen Supporting in Monster Strike the Movie: Sora no Kanata