Younger sister Tsumugi who loved her older brother. A tragedy happened when she moved to Tokyo to go to college and was separated. Because she is a beautiful girl, she is targeted by bad adults and falls prey to obscene and brutal pleasure torture in the name of counseling. Tsumugi falls into a panic due to extreme torture. "Onii-chan, help me!" leads to Mother's work "My sister is a loli queen".
