Riku Hagiwara

Keitaro lives in a fireworks factory that is about to be shut down. He is determined to unravel the mystery of the Shuhari, a mythical firework created by his father before he disappeared without a trace – and launch it before the factory closes.

Depicts a continuation of the "Battle of Mayang", an all-out war against the neighboring country Zhao that Shin and Wang Ki fought in in the previous work "Flame of Fate".