At a party, reserved college student Kakeru meets a mysterious and charming young woman who is unable to see.

Kakeru takes Koyuki to try out an old piano and the two tour a Meiji era sailboat that is preserved on campus.

Kakeru and Koharu go to karaoke with friends and decide to check out the university's fireworks club together.

Kakeru and Koharu go on their fireworks shopping trip and then enjoy a very relaxing ride home on a water bus.