Mary Saotome is her name—she embodies audacity, insolence, and defiance while remaining smart in the environment. After moving to Hyakkaou Private Academy, a place where students' value is judged by gambling intellect, she clinches a spectacular victory over a peer and instantly draws the notice of scheming council members in the school's. Since Hyakkaou's strict ranking is based on minimal gambling gains, Tsuzura Hanatemari"s prospects appear bleak which is unforgiving strictly. Being Tsuzura"s longtime companion, Mary vows to climb the ladder and amass sufficient funds to liberate him for freedom from the oppressive system. Mary"s tenacity and unwillingness to fail propel her to outshine even the toughest rivals, yet some council members appear to harbor larger ambitions for her amid politics.