When Setsu's grandfather passed away, Setsu's "sound"—his unique creative spark—died as well. Consumed by grief, he travels to Tokyo in search of himself... only to end up completely and literally lost on his very first day. It is a chance encounter with Yuna, also known as Yuka, the hostess, that saves him from being robbed. At first glance, their lives appear entirely different, yet both are striving for their dreams—hers to become an actress, and his to develop his talent with the shamisen—and it could just be that life in Tokyo's raucous, unfeeling urban sprawl is what binds their fates together...