Age: 13

The second of the three sisters. A middle school student. She sleeps in late in the mornings till the very last minute and often makes bentos by herself. She calls Rei "Rei-chan". Like her elder sister Akari, she likes taking care of Rei, who develops romantic feelings for her as the series progresses. She has a strong loyalty towards her friends and family. She aspires to be as mature as her sister when she gets older. Later she graduates from middle school, enrolls at the same high school where Rei studies and starts dating him.
(Source: Wikipedia)