Ore Wa Kage No Eiyuu Ja Arimasen!

Ore Wa Kage No Eiyuu Ja Arimasen Manga :

–--"Hero of Shadows."
A man who appears in crises and battlefields around the world, rescuing people with outstanding magic and then disappearing in the blink of an eye. His true identity is supposed to be shrouded in complete darkness... or so it was thought.
"My identity has been exposeeeeed!!"
Phil Salmabart, a young noble with a notorious reputation in the streets. Despite secretly acting as the "Hero of Shadows" for a certain reason, one day, his true identity is revealed to the public. Despite his attempts to deceive, girls ranging from a nobleman’s daughter, a lovely saint, and even a princess of the kingdom approach the "Hero of Shadows," feeling indebted to him?!