"Kanade Takamine is one of the central characters in the Japanese manga series ""Don't Leave After School"". She is the protagonist of the series and appears throughout most of the episodes. Kanade is an 18-year-old high school girl who is introverted, quiet, and reserved. Her personality is reflected in her appearance, which is often plain and unassuming.

Kanade is a member of the school's kendo club, which is her main passion. She is highly skilled in the martial art and has won several competitions. Despite her proficiency in kendo, Kanade is not very social and is uncomfortable around people. She does not have many friends, and the few that she does have are often from her kendo club.

Kanade's personality changes when she is with her close friend and fellow kendo club member, Rina Sakuragi. Rina is outgoing, confident, and outspoken, and Kanade often admires her for these traits. Kanade also secretly has a crush on Rina and struggles with her feelings throughout the series.

Throughout the series, Kanade faces various challenges and obstacles, both in her personal and academic life. She struggles with anxiety and depression, which often affect her performance in both school and kendo. However, as she gains more experience and becomes more confident in herself, she begins to overcome these challenges.

Overall, Kanade Takamine is a complex and relatable character who undergoes significant growth throughout the series. Her determination to improve herself and her kendo skills, as well as her struggle with her emotions and mental health, makes her a compelling and multifaceted protagonist."