The Blue Star on That Day (Ano Koro no Aoi Hoshi) by Aoikani Original Doujin — Ongoing

Also known as Ano Koro no Aoi Hoshi

Cover

Series is self-published by the artist, who may be supported on Fanbox: https://aoikanidayo.fanbox.cc/

Volume 1
Chapter 1 released Dec 25 '19
Chapter 2 released Dec 25 '19
Chapter 3 released Dec 25 '19
Volume 2
Chapter 4 released Jan 5 '20
Chapter 5 released Jan 28 '20
Volume 3
Chapter 6 released Jan 20 '21
Chapter 6.5 released Mar 5 '21
Chapter 7 released Jan 20 '21
Chapter 8 released Mar 5 '21
Volume 4
Chapter 9 released Aug 28 '21
Chapter 10 released Sep 9 '21
Chapter 11 released Sep 20 '21
Volume 5
Chapter 12 released Sep 29 '22
Chapter 13.1 released Oct 28 '22
Chapter 13.2 released Nov 22 '22 Bullying
Chapter 14.1 released Dec 27 '22
Chapter 14.2 released Jan 18 '23 Beach
Volume 5 extra released Feb 6 '23