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Maō, also known as The Devil, marked Satoshi's debut as the main character in a Japanese television drama. Airing in 2008, the series follows the story of a high school student, Ryo Narushima, who discovers his connection to a powerful entity known as "Maō." As the plot unfolds, Ryo grapples with his newfound abilities and confronts various challenges, including internal conflicts and external threats.