Tokyo Tower Ni Sumu Shonen

[Machine Translation] Build a rainbow on Tokyo Tower. This is the dream that Kento's great-grandfather Shotaro entrusted to Tokyo Tower and has passed down for more than half a century. In the Rainbow Center, hidden above the 250-meter-high top deck, Kento and his grandfather Shinji, who are so well versed in science that it is hard to believe that they are elementary school students, continue their secret research to realize their dream... This is a story of a solitary boy's growth as he pursues his endless dreams while challenging cutting-edge scientific technologies such as plasma theory, aerial displays, and projection mapping.

東京タワーに虹を架ける。健人の曾祖父・正太郎が東京タワーに託し、半世紀以上も受け継がれてきた夢。高さ250mのトップデッキのさらに上に隠されたレインボー・センターでは、小学生とは思えないほど科学に通じている健人と、その祖父の信二が今日もまた、夢の実現に向けて秘密の研究を続けているのだが...。プラズマ理論、空中ディスプレイ、プロジェクション・マッピングなど科学の最先端技術に挑みながら、果てしない夢を追い続ける孤高な少年の成長物語。