After the heroine Taki Ichizu, who has a weird personality, transferred to Hyokui in the second year of junior high school, she changed herself little by little through contact with the people in the Hyōtei Tennis Club, and her true and lovely side was revealed to everyone little by little. The relationship with Ryo faces many problems due to their stubborn personalities. The two have a bumpy love history, and Sakura's fate and friends with weird personalities allow Rin to grow up and take a new step.
The four-leaf clover of the oath, wait for me to come back to protect our happiness.