The main character of this game who professionally performs astrology. She lives in an apartment above the coffee shop "Harukaze," where she works as an astrologer, with her sister and her cat Aru. She is very fond of her sister Towa, they even take baths together.

She is a dignified and calm person, a good listener, kind and considerate. She is a big-sis type, but that is largely due to the influence of her grandmother, who taught her to be a n astrologer.

As an astrologer, she finds it rewarding to make people happy and grateful. This is also an influence of her grandmother. She studied "Western astrology" and "physiognomy" from her grandmother, and she also studied "tarot reading" mastered on her own. However, she is not good at love fortune-telling.