Magical★Explorer - It Seems I Have Become a Friend of the Protagonist In An Eroge World, But Because Magic is Fun I Have Abandoned The Role And Train Myself summary:

There’s a legendary Bishoujo Game that has become popular among Japanese gentlemen.<br><br>Its name is “ Magical★Explorer” or Magiero for short.<br><br>The game’s protagonist has a cheat-like power with12 different beautiful heroines to flirt with, including additional 12 heroines from the DLC, a harem of 24 beauties. I have become that protagonist!………………Not. Instead, I have become the third-wheel character who always laughing like an idiot next to him.<br><br>Of course I was in despair at first.<br><br>Of course. If I am the protagonist I could have all 24 heroines for myself along with unparalleled cheat power. However, since I am the third-wheel there’s no heroine that would lay their eyes on me.<br><br>But now I couldn’t care less about the protagonist and his heroines. Why? Because I discovered magic. While I was using it, I have become interested in it. I want to master it. I want to become the strongest. Thus I have decided.<br><br>I would abandon half my role as a protagonist’s friend to train my magic and then I would beat the hell out of that cheat who can solo the Demon King.