Muscle maniac Kaho Hibi and her upperclassman from the basketball team, Natsume-sempai, have finally started dating! After transitioning from their purely โphysicalโ relationship as muscle buddies, they've become emotionally involved, too. But just when they should be in their honeymoon phase, chaos ensues! As Hibi tries to navigate her sempai-turned-boyfriend's assertive advances, his childhood rival Ikkei returns to confess his love for herโฆagain! Will love and muscles be enough to anchor this power couple through the storm? Find out in volume 7!