As an adult game, it includes NSFW scenes and "compilations" of events triggered by your progress in collecting shards.
The phrase "Scattered Shard of Yokai" does not correspond to a canonical item in the official Touhou games. However, the concept appears in three probable contexts: yuka scattered shard of yokai
Behind it, more shapes. A noppera-bō with a blank face turning Yuka’s own features back at her like a mirror. A jorōgumo spider-woman whose legs clicked on the bridge stones. And deeper, darker things—yokai that had been sealed so long they had forgotten their own names, but not their hunger. As an adult game, it includes NSFW scenes
A single shard acts as a beacon, drawing other, potentially more dangerous Yokai to the owner's location. A noppera-bō with a blank face turning Yuka’s
The kappa took one step forward.
Yuka stepped back as the first shape solidified. It was a kappa, but wrong. Not the cute, cucumber-loving kind from picture books. This one had sunken eyes and moss growing from its skull. It turned its head toward her with a wet, clicking sound.