The second in the line of official Touhou Spell Card printworks, featuring a traditional comic story drawn by Aya Azuma and a danmaku fireworks competition that takes a wrong turn right in the middle.
The Grimoire of Usami - Hifuu Kurabu Ikai Satsuei Kiroku is a completed manga by ZUN, first published in 2019. It blends action, comedy, fantasy and slice of life. You can read all 6 available chapters of The Grimoire of Usami - Hifuu Kurabu Ikai Satsuei Kiroku online for free on MangaPulse; the newest is Chapter 6, added 2019-05-18. The series is finished, so you can read it from start to end in one go.