Yuudai, being a son of a family that makes fireworks really wanted to turn eighteen so that he could finally be able to help out in thier family business.
His childhood friend Hana, also wanted the same thing to make Yuudai happy. Little did Hana know, that for Yuudai, being with her again is
the most happiest thing that could ever happen to him. And she also doesn't know how much he is suffering to after a tragic incident that separated
their paths.

--from sakurakisses