Series: Touhou - Manga about What If Pickle and Eirin Had Known Each Other Since the Cretaceous Period (End) (warugaki (sk-ii))

Artist: warugaki (sk-ii)
Japanese title: もしピクルと永琳が白亜紀の頃からの知り合いだったら漫画【終】

Part 1: Here
Part 2: Touhou - What if Pickle Lived in Eientei (Also Junko and Motobe Izou Come To Visit): The Comic
Part 3: もし早苗さんがバキの高校出身だったら
Part 4: 悪餓鬼総集編4