If the Normal Monster Special Summoned by “Swing of Memories” is flipped face-down, it will not be destroyed during the End Phase. Even if the Normal Monster is flipped face-up during the same turn, it will not be destroyed during the End Phase.
If the Normal Monster Special Summoned by “Swing of Memories” is removed from play with “Interdimensional Matter Transporter”, it will not be destroyed during the End Phase even after it is returned to the field.