Tsuki no Ookisa (月の大きさ)

"Tsuki no Ookisa (月の大きさ)" is a song by Nogizaka46 that was released in Japan on October 9, 2013, as the group's seventh single. It became the sixteenth opening theme for Studio Pierrot's Naruto: Shippuden.

The title track's lyrics were written by Yasushi Akimoto, with music by FURUTA and Katsuhiko Sugiyama and arrangement by Seiichi Kyoda. The single reached number 1 on the Billboard Japan Hot 100 and Oricon's weekly singles chart, and Oricon reported sales of 516,000 copies in 2013, making it the year's 10th-best-selling single in Japan. The song was later included on Nogizaka46's 2015 album Tōmei na Iro.