You are reading Knock Me Out Chapter 21. Suddenly stuck being a bodyguard for a famous international singer, Jaeyong’s life takes a sudden turn when packages filled with bloodied items from a stalker named B start showing up. **Original Novel:** [RIDI](https://ridibooks.com/books/1007006229), [Bomtoon](https://www.bomtoon.com/detail/nv_kn