1girl, alternate_costume, bikini, black_bikini, blue_eyes, blush, bocchi_the_rock!, breasts, cleavage, cube_hair_ornament, electric_guitar, embarrassed, gotoh_hitori, guitar, hair_ornament, holding, holding_instrument, indoors, instrument, kepa_(kepa_games), large_breasts, long_hair, music, one_side_up, open_mouth, pink_hair, playing_instrument, side-tie_bikini_bottom, sideboob, smile, solo, standing, sweat, swimsuit, underboob