Ryota Suzui, a student at Hyakkaou Private Academy, begins as class president. His fortunes plummet after losing a poker match to Mary Saotome, plunging him into debt. This loss strips him of his position, reducing him to "house pet" status. Marked by a collar, he endures forced servitude, including serving as Mary's footstool. His precarious social and financial standing persists until transfer student Yumeko Jabami intervenes. After deducing Ryota aided Mary's cheating in a later game, Yumeko gifts him 5 million yen. This act repays his debt, liberates him from pet status, and forges their friendship. Though he later attempts repayment, Yumeko declines, insisting the money was purely a gesture of gratitude. Physically, Ryota appears as a pale-skinned teenage boy of average height. His neck-length brown hair is messy, complementing his brown eyes. He wears the standard Hyakkaou male uniform: a red blazer featuring black trim and gold buttons, a white button-up shirt (frequently unbuttoned at the top), a black tie, gray-black school jeans, and brown loafers. Personality-wise, Ryota is fundamentally kind, friendly, and initially timid, rarely projecting confidence. He maintains a level-headed nature and avoids holding grudges. Association with Yumeko sparks gradual growth in his self-assurance and gambling skills. Despite an aversion to high-risk gambles, he possesses strong analytical abilities. These allow him to grasp complex game mechanics and identify cheating methods, such as Kirari Momobami’s manipulation. He later formulates strategies to aid Yumeko, demonstrating sharp observational prowess. His primary motivation centers on supporting Yumeko, often voicing concern for her safety due to her reckless gambling. He frequently attempts to dissuade her from dangerous wagers, though rarely succeeds. Key events showcase his development. When Midari Ikishima forces Yumeko into lethal modified Russian roulette, Ryota is appointed dealer. Initially terrified and resistant, he overcomes his fear. He devises a covert signaling system with Yumeko using card arrangements, ultimately helping outmaneuver Midari. This experience solidifies his confidence and highlights strategic thinking under pressure. Driven by loyalty, he later offers Yumeko 1 million yen (sourced from his parents) to aid her gambling after she temporarily becomes a pet, an offer she declines. Relationships define his arc. He exhibits unwavering loyalty to Yumeko, rooted in gratitude for freeing him from debt. While hints of romantic interest exist, his primary role remains a supportive friend and occasional strategist. His dynamic with Mary evolves from a master-servant relationship toward a more collaborative, albeit tense, association as both align with Yumeko’s goals. His background lacks explicit detail across available sources. He is not portrayed as coming from extreme wealth, evidenced by his inability to repay debts considered trivial by peers and his reliance on parental funds for the 1-million-yen offer. The exact reason for his enrollment at Hyakkaou, a school catering to elites, remains unspecified.