Anime scene of a woman in a room with a firework

Indoors，Red Zhuang costume 15-year-old boy，Back Shadow，are standing，Look up at the drawings and tools on the wall（Boy image：Red clothes，Carry a bag，年轻）。The old man in brown Zhuang clothes stood next to the boy，Back Shadow，Back hands behind you（Image of the old man：brown clothes，Thin and shriveled，Has a long beard，）The walls are covered with all kinds of flowcharts and tools for making fireworks。（The picture shows the boy in the house，The walls are covered with all kinds of flowcharts and tools for making fireworks）