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A pink-haired anime character with twin tails stands in a dark, smoky environment with green and white energy effects, followed by a cut to a black-haired character in a purple and red energy-filled space with the name "Ruuun" displayed. The sequence continues with a close-up of a hand reaching forward, a close-up of a green-eyed character's face, and ends with the word "Heart" appearing over a green and black energy background.