Riho Tsukishima

As the eldest member of the group, this second-year college student carries the legacy of a former child prodigy. Though her fame as a gifted child actress faded over time, her sharp intellect remains unmatched. More strategic and calculating than even the cafe’s owner, Hayato, she utilizes her cunning nature to oversee daily operations, often managing the establishment's affairs with more precision and foresight than her boss.