yle=f>Yui Tsukino (Kimito Ayumi) is a salesperson of the nutritional drink "Riflet", and while working as a so-called refredi who delivers products to homes and workplaces, at night, he attends night college an…

小学生典道(山崎裕太)和同伴们(反田孝幸,小桥贤儿)争论起一个有关烟花的问题。为了解决这个困惑，他们打算趁夏季花火大会的机会到燃放烟花的灯塔上看个究竟。同时，他们的同学少女奈砂(奥菜惠)因为父母离异而决定离家出走。于是他们在烟…