Manga by Konishi Mikihisa, aka Reincarnation no Kaben. Serialized in the Comic Blade magazine.
Summary: You’re mediocre and talentless… but have no fear! You can acquire the talent from your previous life THROUGH THE POWER OF PETALS!!! (Source: MangaUpdates)
Genres: Action, Historical, Shounen, Supernatural
Volume 1 Chapters 1-4
Volume 2 Chapters 5-9+Extras
Series dropped at chapter 6.