database feat. TAKUMA(10-FEET)

"database feat. TAKUMA(10-FEET)" is a song by MAN WITH A MISSION featuring TAKUMA of 10-FEET. It was used as the opening theme for the 2013 television anime Log Horizon (ログ・ホライズン), which was animated by Satelight and Studio Deen.

Sony Music released the song on October 9, 2013 as MAN WITH A MISSION's third major-label single, with "Don't Lose Yourself" and "Get Off of My Way" as its B-sides. It later appeared on the band's 2014 album Tales of Purefly. JASRAC lists Kamikaze Boy, Jean-Ken Johnny, and TAKUMA as the song's credited writers. Retail sources classify the single as rock, and it reached No. 5 on Oricon's weekly singles chart and No. 8 on Billboard Japan's Hot 100.