Class:
2-A

Blood type:
B

One of Junichi's childhood friends, and is often seen with his other friend Masayoshi. She is unpredictable as she would punch Junichi anytime. She works part-time at a Family Restaurant to support her single mother. She is the main female character on the second arc in the anime. Kaoru is the second heroine of Amagami - Precious Diary.