1girl, bocchi_the_rock!, breasts, cable_tie, collarbone, electric_guitar, flat_color, gibson_les_paul, gotoh_hitori, guitar, head_out_of_frame, holding, holding_instrument, instrument, large_breasts, long_hair, onsen_tamago_(hs_egg), parted_lips, pink_background, pink_hair, short_sleeves, solo, standing, tied_breast, upper_body