When Your Party's White Mage Is Too Strong (本好きの下剋上 X この素晴らしい世界に祝福を！)

This transformative work is from Episode 30 (Season 3 Episode 4) of Ascendance of a Bookworm (Honzuki no Gekokujou).
Uses clips from KonoSuba: Legend of Crimson and KonoSuba Episode 10