Her name is Rina.
She has two younger sisters, Rima and Rika.
She is a university student.
She seems cool. However, she is not as cool as she looks.
Since she loves two sisters too much, she often acts unexpextedly.
She is the most mischievous in her three sisters.
She plays Aikido.
Rina said, "Rima-chan is easy kawaii. Rika-chan is gentle kawaii".