Yonimo Fujitsu Na Piano Sonata summary:

Kanna, who works at a classical music office, has never felt strongly about anything and her relationships with men never go well. However, the moment she heard the pianist Narusawa Kai play Rachmaninoff's sonata, she experienced carnal feelings for the first time. Influenced by this, she embraces Kai who's still playing!? Music manager and genius pianist's classic love starts now!