"Run With U" is the seventh single by Japanese pop idol group Fairies, released on February 19, 2014. The song is used as the second opening for the Studio Comet and Sanrio/Sega Sammy Holdings anime television series Jewelpet Happiness, the ending for Lady Jewelpet, and commercials for Waseda Academy.[1]
"Run With U" was first used in a Waseda Academy commercial in June 2013, featuring Momoka Itō taking on some American football players. The song was confirmed on December 14, 2013, with its upcoming release as the 7th official single being used as the second opening theme of Jewelpet Happiness. Minami Sasuga was in charge for the choreography of the song's upcoming PV.[2]