You're reading That Demonic Teacher Will Be My Sister? Chapter 13, released 2025-11-03 (23 pages). That Demonic Teacher Will Be My Sister? has 15 chapters on MangaPulse, from Chapter 1 to Chapter 15. Use the links below to jump to the previous or next chapter, the first or latest chapter, or discover similar titles.
A boy is initially overjoyed at the news of him having an older sister, due to his father remarrying to a woman who has a daughter. That is, until he finds out that his new sister is actually his school's strict PE teacher, Shina. With his father going off to live with his new wife, the boy will live alone with his new sister. In their new life together, the boy finds out that Shina at home is completely different…