1girl, character name, closed mouth, crosshatching, dated, electric guitar, expressionless, fisheye, framed, from above, greyscale, guitar, hair between eyes, hair ornament, hand up, happy birthday, hatching texture, headphones, holding, holding instrument, indoors, instrument, jacket, linear hatching, long hair, long sleeves, looking ahead, monochrome, music, one side up, pants, pants under skirt, playing instrument, pleated skirt, seiza, shade, signature, sitting, skirt, solo, split mouth, track jacket, track pants, track suit