noun, noun or participle which takes 'suru'
dramatic transformation; complete makeover; major change
Emphasizes a striking, often positive change in appearance, character, or situation. Commonly used with する to mean 'undergo a dramatic transformation'.
See also: 変身
彼女はイメチェンして大変身した。
She changed her image and underwent a dramatic transformation.
この部屋
This room will also be completely transformed by the renovation.