Mmmmm… Nise

A red-haired anime girl in a school uniform lies on her back with a joyful expression, then the scene cuts to a black-haired girl in a school uniform turning to face the camera with a determined smile, raising her fist, before the red-haired girl reappears smiling with closed eyes, then looking down with hands on her cheeks, and finally singing into a microphone with a bright pink background and large Japanese text.