People have been living in an underground society, believing the outside world is hazardously polluted. One day, a young artist meets a beautiful girl who found a mysterious seed of blue flo... Read allPeople have been living in an underground society, believing the outside world is hazardously polluted. One day, a young artist meets a beautiful girl who found a mysterious seed of blue flower, which inspire them to embark on a journey to the sky, fighting the fear of uncertaint... Read allPeople have been living in an underground society, believing the outside world is hazardously polluted. One day, a young artist meets a beautiful girl who found a mysterious seed of blue flower, which inspire them to embark on a journey to the sky, fighting the fear of uncertainty.