morotake, koharu_(blue_archive), koharu_(swimsuit)_(blue_archive), mika_(blue_archive), year_2024, 2girls, :d, >_<, arm_up, bag, bare_shoulders, bikini, blue_background, blush, breasts, halo, head_wings, holding_hands, innertube, long_hair, multiple_girls, one-piece_swimsuit, open_mouth, pink_eyes, pink_hair, sandals, simple_background, smile, swim_ring, swimsuit, wings, xd, commentary, highres, blue_archive