Haruka Niimi
The main heroine of the series, Haruka is Kazuya’s childhood friend. However, due to them both growing up and Haruka becoming more popular among the students, they have drifted apart over the years. Even so, it still seems as if they want to re-kindle their lost friendship.
It is hinted that she has hidden feelings for Kazuya.
Her route in the anime ends at Episode 6.