1girl ahoge bare_shoulders blue_archive blush breasts closed_mouth covered_navel hair_ornament hairclip halo highres hina_(blue_archive) hina_(swimsuit)_(blue_archive) horns looking_at_viewer low_wings one-piece_swimsuit one_side_up own_hands_together purple_eyes school_swimsuit shidoh279 simple_background small_breasts solo swimsuit upper_body white_background wings