Nekorobi Yaoki

“‘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…

(Source: LemonadeScans)

Included One-shot:
Volume 1-2: Kazoku Zenya