1girl, black shirt, blue skirt, bocchi the rock!, breasts, cellphone, clothes pull, covering, covering crotch, covering nipples, covering own eyes, cube hair ornament, electric guitar, facing viewer, gibson les paul, gotou hitori, guitar, h, hair ornament, hand up, holding, holding phone, indoors, instrument, long hair, maru ccy, meme, mirror, navel, no bra, no panties, one finger selfie challenge (meme), one side up, open mouth, outstretched arm, phone, pink hair, selfie, shirt, short sleeves, skirt, skirt pull, small breasts, smartphone, solo, standing, stomach, straight hair, very long hair