Hey! Say! JUMP brings the 24th single. "Oh! my darling" is a solo song by Ryosuke Yamada. "Lucky-Unlucky" is the main theme song of TV series "Atama ni Kitemo Aho to wa Tatakauna!" starring Yuri Chinen. This edition comes with a bonus DVD featuring a music video of "Oh! my darling" and making-of plus a bonus track "Mayonaka no Shadow Boy - SENSE or LOVE Remix -." Cover artwork and a part of contents are different from other editions'.