Shen Shi was very disappointed when he transmigrated into the book he wrote and didn't even end up as the protagonist. He also didn’t understand why the invincible hero became a girl? Even worse, why did all his apprentices want to become his wife instead! The protagonist asked him, “Master! Would you like to take me right now? Or do I have to kill off the other apprentices first before you'll have me?” (Source: Bilibili, translated)

A half-demon boy who survived from the uninhabited domain, a beautiful girl who vows to protect the human world, in order to protect the their common home, They are involved in the world battle of the Magic Domain Mercenaries... [Original Webcomic on ac.qq](https://ac.qq.com/Comic/ComicInfo/id/628508) [Original Webcomic on manhua.163](https://manhua.163.com/source/5128758384220124177)

One day, a girl appeared out of nowhere claiming to be an exorcist and turning Liu Yanhui’s regular school life upside down. Ever since his troubles began to continuously plague him, his parents were critically injured by demons and even his childhood rival became an exorcist's target. Eventually, the city he has been living in is at risk due to his presence there… How will a young man with a demonic parasite growing in him survive this world?

Five years ago “Don’t shout, I’ll be responsible for you.” The man disappeared after saying this.. Five years later, they met again. “You took away my most important thing and made me suffered and I became a joke in the eyes of others!” He distressed her tightly and said “From today, I will be responsible to you for all my life.” (from Manga SY)