3boys, asahi_sora, atago_rentaro, blonde_hair, blue_eyes, blue_hair, blue_sky, cloud, cloudy_sky, crop_top, dankira!!!, glasses, holding, holding_water_gun, male_focus, merry_panic_(dankira!!!), multiple_boys, one_eye_closed, otoko_no_ko, pink_eyes, pink_hair, riku_(melty_drop), short_hair, short_sleeves, shorts, sky, water_gun, yano_reiji, yellow_eyes