La PomPon brings the fourth single. Features an outro theme of "Case Closed (Detective Conan)," which is a cover of one of the popular theme song of the series "Unmei no Roulette Mawashite" by ZARD. This edition includes TV-sized "Unmei no Roulette Mawashite" and features "Detective Conan" illustration cover packaging. Also includes a member's solo trading card with a handwritten message (printed) randomly selected from seven kinds.