Sorry Bestie, I'm the Demon King's Weapon Now

Best friends transported to another world—but on opposite sides! He's reborn as a legendary hero wielding holy light, destined to save humanity. She's reincarnated as a delicate succubus trapped in the Demon Lord's dungeon, directly in the final boss's grasp. While her bestie charges toward the demon capital swearing vengeance, she faces an impossible choice: resist the affectionate Demon Lord who pampers her... or surrender to instincts she never knew she had. Years pass. The hero finally storms the throne room, only to find his childhood friend has become the very weapon he must destroy. A h…