原著故事发生在涩谷，一个以音乐为中心的亚文化蓬勃发展的地方。以投射人们“真实思想”的神秘空间“Sekai”为舞台，少男少女将上演寻找自己的“真实想法”与“自我之歌”的故事。
Wille has always dreamed of becoming a superhero and fight crime alongside his father. This dream is shattered when Willes baby brother, Charlie, is born. Charlie gets all the attention, and on top of that – he has superpowers. When a supervillain and an evil scientist enact a plan to overthrow the city, Wille and Charlie must put their differences aside and work together as a ...
