Games like Koumajou Densetsu I&II Premium Pack

If you finished Koumajou Densetsu I&II Premium Pack, the closest matches are Touhou Luna Nights, Koumajou Remilia Ⅱ: Stranger's Requiem, Touhou: Scarlet Curiosity, Touhou Makuka Sai: Fantastic Danmaku Festival and Koumajou Densetsu: Scarlet Symphony. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.