Japanese name: 虹色のセプテントリオン (Rainbow-Colored Septentrion)
The 9.5th music CD from Team Shanghai Alice, a part of the Touhou side series "ZUN's Music Collection".
Released on the 31st of December 2021, during Comiket 99, it is a mini-album release similar to Michi no Hana Michi no Tabi. The album is dedicated to the reopening of Comiket after two years of absence. It does not contain a story booklet.
It's artwork features Usami Renko and Maribel Hearn looking up at the sky. The stars highlighted are those of the big dipper constellation (aka Septentrion)