3girls :d absurdres ah-kun ahoge arm_support bag ball barefoot blonde_hair blue_eyes blue_hair blush bob_cut bubble empty_pool fang feet flat_chest goggles goggles_on_head grass hairband hands_on_own_cheeks hands_on_own_face happy hat highres hose ka-kun long_hair lying moetan multiple_girls na-kun no_nose on_stomach one-piece_swimsuit open_mouth pastel_ink pool pop_(electromagneticwave) red_eyes red_hair school_swimsuit shampoo shiratori_arisu short_hair sitting smile swimsuit tempera_sumi top_hat twintails wading_pool water white_one-piece_swimsuit