"Girls' Rule" is the sixth single by the Japanese idol girl group Nogizaka46. It reached the number one slot on the Oricon Singles Chart. It also reached number one on the Billboard Japan Hot 100. It was the 13th best-selling single in Japan in 2013, with 452,310 copies. The coupling song "Sekai de Ichiban Kodoku na Lover" was used as a featured song for NTV's night drama Bad Boys J and its live action film.

Mai Shiraishi is a Japanese singer, model, YouTuber and actress who is a former member of the Japanese idol girl group Nogizaka46.