"Crossing Field" is the opening theme song for the popular anime series Sword Art Online. Performed by the Japanese singer LiSA, the song was released in 2012 and quickly gained popularity among fans of the show. Its energetic melody and powerful lyrics reflect the themes of adventure and determination found in the series, which follows players trapped in a virtual reality game. The song's success contributed to LiSA's rise as a prominent artist in the anime music scene. "Crossing Field" has been featured in various media, including concerts and promotional events, further solidifying its status as an iconic anime theme song.