- Title: Wolf Boy (ウルフボーイ)
- Album: The Best! ~Updated Morning Musume.~ (The Best！～Updated モーニング娘。～)
- Release: 2013.09.25
- Download Link.
Tsunku is going to regret not releasing this as a single, the song’s so catchy!!! (the quality of this one is not the best but at least we have the full version, let’s wait two more days until the album is released :3)