The main protagonist of Kakegurui, Yumeko is a new transfer student of Hyakkaō Academy who shakes things up by engaging in an increasingly risky series of gambles that put herself and her money on the line. Rather than aiming for the victory, Yumeko gets a thrill out of the mere act of gambling. She quickly figure out ways that the games are being manipulated in her opponents' favor. She can more often than not turn the tables on her foes. She currently lives alone and her only relative, her older sister, is now hospitalized. Yumeko's current status is the "pet". Although she could just pay her debt remembering her family wealth, she chooses not to. Simply because she wants to invite everyone to a gamble without being rejected.
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