Chain Evolution

How many people, as teenagers, dreamed of forming a sword gesture with their fingers, shouting as they soared through the sky on a flying sword, free beneath the heavens like the protagonists in novels? But once we grow up and awaken from those dreams, do we ever look back and sigh, "A youth without a little chuunibyou isn't a youth at all"? Chen Feng never expected that a shooting star one year would change everything. Now, with a real disaster looming, where will humanity go?