Katahaba no Mirai Oneshot from "Mirai no Yukue" collection. "it's a short one-shot portraying one moment in a couple's life." -- from here

Series about the lives of students at a music college.

This entry includes the extra chapter called 'Taiyou and the World' and the commemorative manga produced by other mangaka. Continuing after the final arc in the manga, the extra chapter presents the aftermath of the story from the perspective of Akane Taiyou.