Chihiro Tachibana possesses striking beauty, but her direct and uncompromising personality has earned her a reputation for being strict. Though she appears tough on the exterior, she harbors a soft spot for a kendo club member, whom she manages with her close friend Rino Sakuragi.
Shou Hinase, a charming and attractive kendoist from a rival school, enters Chihiro's life, bringing a dramatic shift. Despite their initial friction, they end up in the same high school class, and their destinies intersect. Together, this unlikely pair embarks on a thrilling and tumultuous romantic journey bound by an unbreakable crimson thread.
