Star Instructor, Master Baek - Chapter 6: Hmm? Somethings Weird

Caution: This novel contains R18 content. Doomsday had arrived overnight. Zombies roamed every corner and humanity had suffered a massive setback.

Cao Xin, a young man on earth, died in a car accident, traveled to a troubled world where supplies were scarce, and obtained a “Bronze Immortal Gate”…

…

- Description from novelbuddy

It has been more than ten years since he was transported to another world. The protagonist Deris Fahrenheit, who has became a magician with special circumstances, was freely enjoying his life in this world. However, a girl appeared before him and asked him to make her his disciple. That girl seems to be a transported person――

It’s a story of him who becomes the girl’s teacher and trains her to achieve her revenge (?) in otherworld.

Ever met someone who started cultivating from his mother’s womb?