Tone Shift has these relationships to other tropes:

parents kids shares a parent with:
Ascended Fridge Horror
Bloodier And Gorier
Cerebus Syndrome
Darker And Edgier
Denser And Wackier
Hotter And Sexier
Lighter And Softer
Reverse Cerebus Syndrome
Younger And Hipper
You'll need to Get Known if you want to add or modify these relationships.