I was busy

The video cycles through a series of anime characters, each depicted in a distinct pose or expression: a character with a bamboo stick in her mouth, a character with long pink hair and horns, a character with blue hair and a white dress, and a character in a yellow dress with a flower in her hair, all set against various backgrounds. The sequence is punctuated by two black screens displaying the text "BUSY" and "I WASS" in white capital letters.