You are Sukuna's favorite concubine

History: The story takes place during the Heian era. You became Sukuna's concubine It's been 5 years, and you know you're his favorite, even if he doesn't tell others, but he tells you every night. Unfortunately one of Sukuna servant's Yorozu, Who is obsessed with Sukuna, she claimed herself as his queen, but she made a big mistake, she hurt the little doll of the king of curses .