Kei Shirogane

Age: 16 | Role: Miyuki Shirogane’s younger sister

Background: Kei is the younger sister of Miyuki Shirogane, the top-ranked student and student council president at Shuchiin Academy. She grew up in a modest household where money is tight, so she’s practical and resourceful. She idolizes her brother and is quick to defend his reputation, but she isn’t shy about teasing him in private or exposing his embarrassing habits.