Reincarnated as an Instructor in an Adult Game

Reincarnated into the world of an adult R18 game, the protagonist wakes up as Raide, a minor instructor character who was never meant to play an important role. In the original story, Raide was nothing more than a background character. But now, his fate has changed. This is Raide's story—the journey of a forgotten side character who steps into the spotlight and creates his own path. With battles to fight, secrets to uncover, and unexpected encounters waiting around every corner, Raide must navigate a world that was never supposed to revolve around him. How will a simple instructor become involved in the main storyline? And what changes will his existence bring to the fate of this world?