The background doesn’t change [Ai Yori Aoshi] from r/QUALITYanime

Persona 5 in-game cutscenes (left) VS Persona 5 anime (right)
Persona 5 in-game cutscenes (left) VS Persona 5 anime (right) (source)

The disappearing chair [Domestic na Kanojo] from r/QUALITYanime

Finger clipping [Kaguya-sama wa Kokurasetai] from r/QUALITYanime

QUALITY ear [Infinite Stratos 2]
QUALITY ear [Infinite Stratos 2] (source)