2girls arm_support blue_archive blue_eyes blush breasts closed_mouth collarbone commentary_request halo highres large_breasts light_blush light_particles long_hair looking_at_viewer mechanical_halo multiple_girls naked_towel noa_(blue_archive) onsen open_mouth partially_submerged purple_eyes purple_hair same-sex_bathing shared_bathing shiitake_taishi sitting smile towel water white_hair white_towel yuuka_(blue_archive)