Question: are yumeko and the president related?
Answer: Gambling information Kirari Momobami (桃喰 綺羅莉 Momobami Kirari) is a major antagonist from Kakegurui. She is the 105th Student Council President at Hyakkaou Private Academy and the one responsible for the current hierarchy at the academy whose family is aligned with the family of Yumeko Jabami.