The Mushroom of Kittenpop.

Removed the green screen in After Effects.

Exported the footage as an EXR sequence.

Importing into Unreal Engine:

Imported the EXR sequence into a custom-made Unreal Engine environment.

Scaled the plane in Unreal Engine according to the camera setup in the sequencer.

Rendering in Unreal Engine:

Rendered out a cinematic EXR sequence using the ACES workflow.

Final Color Corrections:

Imported the EXR sequence from Unreal Engine back into After Effects.

Performed final color corrections and color grading to produce the final output.