Pencil drawing

Open a photo in Photoshop.

Duplicate a layer — Layers> Duplicate layers (Ctrl+J)

Transform a photo in black-and-white colours — Image> Adjustments> Desaturate (Shift+Ctrl+U)

Dublicate black-and-white layer (Ctrl+J)

Duplicated layer we Invert the image (Ctrl+I)

Put mixing Mode - Color Dodge

All was gone, ??!! It is not panicked)

Go to filters — Filter> Blur> Gaussian Blur, the radius is exposed 2-3 pixels. We press ??, we rejoice)