Ozawa Aika

The younger sister of the Ozawa sisters, who are problem children in the club. Basically, she has an optimistic personality and is happy as long as the sisters are having fun together, but she gets along better with others than her sister in order to avoid friction with the other club members.

However, underneath her skin, she thinks that other people are not important, including her sister, and she will not hesitate to offer her older sister to the robbers in order to save herself.