Deban desu yo? Kondou-san!

Kondou Isami was a top kendo athlete in middle school, winning national championships for two consecutive years. Her intense focus on the sport shaped her impulsive and boyish demeanor. However, this lifestyle led to her being less appealing to boys. Determined to become more feminine and elegant in high school, she enrolls at Seishinkan High School. Despite her efforts, circumstances seem to challenge her transformation. Eventually, she becomes a member of the school's idol club.