Have you ever thought that behind the city filled with neon lights, monsters from ancient tales reside? Have you ever thought that high above the sky, behind the moon, stood a god watching over the mortal world? Have you ever thought that in this crowded 21st-century city, there are superhumans who are Seraph's agents? In this society ruled by humans, multiple weirdness lurk within. Michael the Seraph, Hades the Ruler of Hell, Poseidon the god of the sea where have the gods of Xia gone? In this world that belongs to "man", "Mythical beings" must be eliminated.

Once I traveled through time, am I going to die again as soon as I landed? Look at me acting cute, acting silly, and fighting in the palace! But why do I have to sing, fight, and take care of children? ! That’s it, I will use all my skills to survive in the hands of the tyrant!! **Official Translations:** [Japanese](https://jp.piccoma.com/web/product/151190) https://mechacomic.jp/books/188523

**Official Translations:** [Japanese](https://jp.piccoma.com/web/product/151193), [Korean](https://page.kakao.com/content/63310756)

The story follows the daughter of a wealthy modern‑day billionaire family who dies and is reincarnated into a historical novel as a “cannon‑fodder” concubine meant to be easily discarded by the cold‑hearted emperor. Determined to survive and avoid her doomed fate, she uses her modern knowledge, charm, and “tricks” to navigate palace politics and stay out of danger. Despite her many schemes and attempts to avoid trouble, the concubine ends up drawing the unusual attention of an extremely self‑disciplined, emotionally reserved emperor who consciously refuses to flirt with her or be swayed by her looks. Their dynamic becomes the heart of the story: a clever, seductive concubine trying to manipulate the game of the palace versus a strict emperor who refuses to play along, creating slow‑burn tension and romantic comedy‑style push‑and‑pull.