1girl armpits arms_behind_head arms_up bare_shoulders black_dress black_hair blue_archive braid breasts butterfly_hair_ornament closed_mouth commentary_request covered_navel double_bun dragon_print dress grey_jacket groin hair_bun hair_ornament halo highres jacket jin_young-in kisaki_(blue_archive) long_hair pelvic_curtain pinstripe_pattern print_dress sideboob simple_background sleeveless sleeveless_dress small_breasts smile solo striped twintails twitter_username very_long_hair white_background