Once upon a time in Sparta

The meme is from a certain dead fat warehouse YY a long time ago. In one sentence, it is a story about the god of death coming to the city of Sparta and Gemini.But since I wrote it, friends who are familiar with me know my routines, and they must understand how the content of the story will develop.Content tags: fantasy, fantasy, western fantasy┃ Search keywords: Protagonist: Thanatos, Gemini (Castor, Polydoces) ┃Supporting role: