相楽 るるか

Fourth daughter of the Sagara family. She attends a school in Tokyo. Her personality is generally vivacious. Recently, she is becoming a little more mature.

She has a keen eye for observation and her way of thinking is a little mature for her age. Basically, she is a child, but not childish.
Among her sisters (family members), she is the most confident.

In terms of her appearance, she is still in the process of developing, with her breasts just beginning to grow, but it is easy to imagine that she will become a beautiful girl in the future.