After the gruesome events on Caprini, Sharp and his elite team of tough, witty and trigger happy space Marines must now head out to the icy planet Mezzo to investigate further Ma'har activities. What they will encounter will defy their imaginations as t
住在北海道的主人公?外村直樹（山陰山賢人）和高中鋼的調(diào)音師?板鳥宗一雷神（三浦和）相遇開始。在板鳥調(diào)音后鋼琴音色中外村仿佛感受到了林的氣息，為這個(gè)工作以鸓調(diào)師的世界所吸引而開始在板鳥在的樂器店工作。 因鋼琴而聯(lián)系到一起的虎蛟們中，他還遇到高中生鋼琴姐妹和音奧山由仁 ……。經(jīng)歷了煩惱，迷茫，挫折成長(zhǎng)的青年鋼琴調(diào)音于兒的故事