That year, she was 7 years old and he was 12 years old. The meeting at a young age was so beautiful, the weather was clear and the white clouds were blooming, just like the marshmallow in her hand, it was sweet in her mouth when she ate it, and her childhood sweetheart and childhood sweetheart quietly blossomed in her heart. An accident caused misfortune to the two families. Many years later, should they continue to guard the innocent beauty or come into close combat and hurt each other? The sun always comes after the storm, but in his world, for her reappearance, is it the dazzling rainbow of the past or the haze in his heart...