Shu’s had a rough start to life, and doesn’t think he has much of a future—until fate brings him together with talented young pianist and fellow student Akari Yuzuki, the “left-handed angel,” for one high-flying adventure. But when tragedy cuts their relationship short, Shu realizes he must find a way to live for them both…and realizes that something is no longer quite right with his own left hand…
With his training abroad over, Shu returns to Japan a high schooler. Just when he starts to get serious about winning a competition, the beautiful girl he got close to during his time in Russia, Luka, appears as a powerful rival. To shine as the best pianist in Japan, will he need to take the next step… To interpret the score…!?