k-on

A young girl with brown hair and a pink bow smiles at a boy in a living room with a Christmas tree, then the scene shifts to her in a green and white outfit looking down, followed by her in a pink outfit raising her arms in a kitchen while another girl in an apron stands nearby, then she appears in a red and white coat looking sad outside at night, and finally she is seen hugging a pillow in a dark room, all set against indoor and nighttime outdoor backdrops.