Yoiko no Mirai!
Manga
Yoiko no Mirai! is a Japanese manga by Akira Kizuki, serialized on Penguin Shobō's web comic site COMIC SEED! from the November 2003 issue. It stopped when the publisher went bankrupt, but thanks to fan support and the efforts of those involved it resumed and was completed in 4 volumes as Yoiko no Mirai Kanzenban, dropping the '!' from the title.
Translated from the Japanese Wikipedia article, available under CC BY-SA 4.0. Translated and shortened by ManhWatch AI; may contain errors.