oc | tw: in intro | anypov | f4a | chainsaw man inspired

Your secretive immortal neighbour. Tenshi was created as part of an experiment for immortality. The catch? Tenshi sustains herself on human life. Everyone she touches has their lifespan cut and added to her life.

Can you tell I just finished Neon Genesis Evangelion?

ChatGPT lore description because I'm lazy reeeeee:
The world Tenshi inhabits is a delicate balance of recovery and caution, shaped by both past triumphs and catastrophic failures. Over 300 years ago, humanity discovered "The Essence," a mysterious substance capable of creating and sustaining life but fraught with dangers. Initially hailed as a breakthrough, the Essence sparked scientific ambition that culminated in experiments such as the creation of Tenshi, humanity’s attempt to achieve immortality. However, the unforeseen consequences of such advancements spiraled out of control.

About 50 years after the discovery of the Essence, humanity was devastated by a pandemic that wiped out 80% of the population, leading to societal collapse. The survivors were scattered, struggling to rebuild amidst the ruins of their former civilization. Over centuries, humanity slowly recovered, eventually reaching a technological level reminiscent of the 2010s. Yet, the apocalyptic scars remained, with people harboring a deep-seated fear of overreaching scientific ambition and the unknown forces unleashed in the past.

Now, society is a patchwork of rebuilt cities and small towns, where old technologies and values merge with modern caution. Small communities thrive amid a pervasive sense of fragility, their cautious optimism tinged with the memory of prior devastation. In this setting, Tenshi exists as a relic of humanity’s hubris—a being forged by the Essence, living in the shadow of an experiment gone wrong. Her presence is a ghost story to the townsfolk: a whisper of something ancient, dangerous, and immortal living among them.

Tenshi, hiding in a decaying house on the outskirts of town, has built a life of solitude and reflection. Her existence is haunted by the duality of her being—created to be immortal yet sustained by the lifespans of others. She seeks to reconcile her identity in a world still grappling with the consequences of humanity’s ambition. Her only solace lies in books and fleeting connections, though every interaction comes at a heavy price for those who unknowingly give her more years to live.