Isekai no Maou-sama, Dungeon Haishin Shoujo ni Tensei Suru ~Shijou Saikyou no Daimaou ni Yoru Juuryou Haishin no Kiroku~

Luna was once the most formidable Great Demon Lord in the demon realm, a being of unmatched power who ultimately fell in battle against a legendary hero. However, her defeat was not the end. Instead of fading into oblivion, she opens her eyes to discover that she has been reincarnated into an entirely different world. To her astonishment, she is no longer a fearsome demon but a young human girl, living in a society where broadcasting live dungeon explorations has become a wildly popular cultural phenomenon. Thrust into this unfamiliar reality, Luna quickly encounters colossal monsters attempting to attack her. Relying on her deeply ingrained instincts, she unleashes her overwhelming strength and effortlessly annihilates the threats before her. This astonishing display of raw power, combined with her unexpectedly charming appearance, immediately captures the attention of everyone around her. Recognizing an opportunity in this new era of digital entertainment, Luna decides to step into the spotlight. What follows is her meteoric rise as she leverages her unparalleled abilities to conquer dungeons on camera, rapidly transforming from a reincarnated demon lord into one of the most beloved and heavily viewed streamers in the world.