1boy, 2girls, d, s, ahoge, beach, bikini, black_bikini, blonde_hair, chibi, completely_nude, content_rating, eyewear_on_head, facing_viewer, hat, idolmaster, idolmaster_cinderella_girls, innertube, meme, multiple_girls, necktie, nude, p-head_producer, pink_hair, producer_(idolmaster), rain, red_necktie, shirasaka_koume, smile, star-shaped_eyewear, straw_hat, sunglasses, swimsuit, takato_kurosuke, tsuyuaketandesuka!_(meme), yumemi_riamu