I know~ I don't~

the word "no~" in blue text on a white background. A dark shape moves across the screen, followed by a series of animated expressions of a young woman with brown hair and a black hoodie. She initially looks distressed with "もぐ" text around her, then appears confused with a question mark, then looks down with a blush, and finally looks up with a smile, hands on her cheeks, as a hand points at her and "ドキドキ" text appears. The setting is a plain white background.