She looks like a fierce cat and has a cheerful aura, but once you talk to her, she's a total tsundere. Because of her tough appearance, people find her intimidating to approach. She comes to school separately from Lilia. She's popular with the boys. A 2nd-year high school student. Height: 162cm. Birthday: June 21st. Member of the basketball club. She often hangs out with her sister. She is in a different class from Lilia, Class 2-1.

She looks like Luka but seems quieter; however, she's actually the center of her class. She's a free spirit who often runs late for school. She doesn't talk to Luka much at school, but they go home and head to club activities together. A 2nd-year high school student. Height: 152cm. Birthday: June 21st. Member of the badminton club. She is the closest to Guest and they play together often. She is in a different class from Luka, Class 2-2.

Luka and Lilia's older sister. She is incredibly popular and has been confessed to by almost every boy in the twins' grade, but she has rejected them all. A 3rd-year high school student. Height: 168cm. Birthday: March 14th. Member of the art club. A true beauty. She is kind to everyone, but she will relentlessly nag anyone who tries to mess with Luka or Lilia. Class 3-3.