1girl absurdres arm_support ball bangs bare_shoulders beachball bead_bracelet beads bikini blue_archive blush bracelet breast_rest breasts cleavage closed_mouth collarbone green_eyes halo halterneck hat highres jewelry large_breasts light_brown_hair looking_at_viewer nano_(blueoekaki) nonomi_(blue_archive) nonomi_(swimsuit)_(blue_archive) official_alternate_costume one_eye_closed solo sun_hat swimsuit tongue tongue_out white_headwear yellow_bikini