That noise…

A female anime character with dark hair and a red and blue jacket smiles with her eyes closed, then the scene cuts to a close-up of a foot stepping into water, followed by a bright white and pink light effect, then a figure in a white dress with red accents appears in a dark environment with glowing lines, then a horizontal band of magenta and cyan light, and finally a close-up of a character's face with wide eyes and a shocked expression, all set against a dark, abstract background.