Yumeko Jabami is a prominent character in "Kakegurui" and one of the students at the academy. Renowned for her calm, calculating, and astute nature, she possesses exceptional gambling skills and powers of observation. Yumeko typically engages in gambling with ruthless and composed demeanor, capturing the attention of everyone with her outstanding performances. Despite appearing cold on the surface, she is genuinely caring towards those she values. Her character design and actions often captivate the audience, making her a standout figure in the series.