This is a cross-platform mod that adds Marie Rose from Dead or Alive 5 to GTA San Andreas as a playable character.
Her costume automatically changes depending on where you are.
When in water, she automatically changes to a swimsuit.
When not in water, she automatically changes to one of 4 randomly chosen costumes.

On PC, press Num + to switch to Mary.
On mobile, select 'MARIEROSE' in the CLEO menu.