During their childhood, Rui Hanamine was saved by Yuujirou Matsukaze from a terrible ordeal. From that moment on, Yuujirou fell deeply in love with her and has been her protector ever since.
As they transition into high school, Rui has shot up to 186 centimeters, while Yuujirou is acutely aware of his short stature, measuring in at only 165 centimeters. Even though they have been friends for years, Rui is oblivious to Yuujirou's feelings, and he struggles to confess his love.
However, as they explore their emotions further, their growing affection for each other becomes increasingly impossible to conceal.
