Chikako Ubukata

She is a classmate of Tsukushi and Jin. She is a haughty and popular student, egotistical at first and quite hard on Tsukushi. After receiving lots of criticisms for a novel she wrote she decided to quit writing, so when she discovers Tsukushi's perseverance and effort in spite of the criticisms of many (including her) she softens up to him and decides to join the team as a manager.