My Childhood Friend is the Demon Empress of Another World?!

One shrine visit changes everything. Tokyo University student Takahashi Jin and his childhood friend Tachibana Reika stumble upon an ancient portal, plunging them into Sehara—a world of demons, gods, and forbidden power. But Reika arrives 200 years before Jin, her dormant divinity awakening as she transforms into Ishinokami, the legendary Obsidian Demon Queen. When Jin finally reaches this new realm, the gentle girl he once knew has become a goddess of destruction who views mortals as insects—yet reserves a twisted, possessive love for him alone. Caught between terror and nostalgia, Jin must n…