Starting on April 8, 2013, "Runaway" was used as the ending theme song for TV Tokyo's Jitsuryoku Sekai no Mystery.

"Runaway", along with "Sugar Me" were released as a double a-side promotional single on June 5, 2013.

Tomoko Kawase appeared on the cover of Volume # of Marquee magazine, promoting the album.

The limited edition included a DVD with the music videos for "Runaway" and "Sugar Me", as well as special packaging and a sticker sheet.

The official track listing and cover art were posted to the Warner Music Japan site on May 20, 2013.