Aina who desperately endures repeated humiliations was exposed to further shame. In the rhythmic gymnastics department, which is an advisor, she was tied up with a rope in leotard form. The crab is blamed with a stick… A granulation that is rubbed with a sagging rope with a sacred tool that stirs moistened lips. Aina who cannot stand the limbs that hurt even if she hates finally asks herself ... Aina is covered with humiliation, but she has a plan to manage the heart that cannot break. The same situation that the older sister Yuna had conspired was reproduced on the rooftop as her bait ... b