1girl, animification, black_necktie, black_pants, blue_bra, bra, brown_eyes, brown_hair, chaeyoung_(twice), crop_top, gradient_hair, grey_background, guitar, head_tilt, holding, holding_instrument, instrument, k-pop, looking_at_viewer, midriff, multicolored_hair, necktie, open_clothes, open_shirt, pants, qiao_nan_1028_hao, real_life, shirt, sketch, smile, solo, sparkle, twice_(group), underwear, white_shirt