You are reading Invincible Guard Chapter 3. **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=854517), [Naver Series](https://series.naver.com/comic/detail.series?productNo=14532972) “I will not sacrifice my life to protect you. I will become invincible to protect you!” Jang Cheon-Un, who lived as a back-all