Fourth single release from Hey! Say! Jump featuring their first actual love song, which is used as a theme to the TV drama "Scrap Teacher - Kyoshi Saisei -" starring Hey! Say! Jump members Yuto Nakajima, Ryosuke Yamada, Yuri Chinen, and Daiki Arioka. The track has painfully sad, passionate lyrics and a melancholic melody with a Spanish taste. Limited edition includes a bonus DVD with music video of the track "Mayonaka no Shadow Boy," making-of footage, and alternate jacket artwork. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.