"'I've got someone I love more now. Goodbye.' was written on the note left behind when she disappeared. It?s just me and the cat now.? Yūsei dreams of succeeding as a graphic designer, but he spends his days without being able to make a difference while living in a town near the ocean. His girlfriend, Akane, left him, and he sank to rock bottom, but his cat started to unexpectedly expand his world?"