Chisaki Tsuzuki is a girl who takes things easy because she has nothing to worry about. Chisaki Tsuzuki is a quiet girl. She watches the clouds roll and relax quietly, and faces life and death quietly. Tsuzuki Chisaki is a girl who is easily satisfied. She never forces anything, because she has nothing but herself and has no ability or qualification to force anything. But until one day she met the first person who cared about her, the first person who smiled at her, the first person who gave her warmth... Then, for the first time, she strongly wanted to stay in the place where he was. For the first time, she knew that her stiff lips could smile, and her heavy arms could hug. But - she also understood for the first time that separation between life and death could be so cruel. All right! This is actually a group of teenagers who are determined to transform fighting-crazy tomboys into cute and soft girls! Chisaki Tsuzuki, who is dull and autistic, stubbornly believes that only by becoming stronger can he catch what he wants. So even though his head was bruised and bloody, he still kept moving forward. Such a city is like the scorching sun, like the breeze, and has broken into the hearts of many people with a domineering and silent attitude.