This is a new method for creating afterimage effects giving you powerful control over shaders and Niagara.
It includes 18 presets but you can create your own afterimage with the system!
It's available in Fab :)
https://fab.com/s/5353ef2aed03
Also, you can learn the fundamental mechanics this effect in this tutorial:
日本語 -> https://coloso.jp/products/vfxartist-heyyo-jp
English -> https://coloso.global/products/vfxartist-heyyo-us