Hell's Handbook - Chapter 7: Information in the Diary

A fluffy, sweet modern GL story about a mature older women and a cute university student.

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

After transmigrating, Chen Yu found himself in a highly militarized world. But the “will of the world” had concluded that he was an intruder and put a curse on him.

“Here's what happened. I was in a desperate situation when I accidentally encountered a dragon. It told me I was a martial arts prodigy and said it would teach me the Dao of Immortality…” “This excuse for skipping class and cultivating in secret… is that seriously the reason?” “I don’t care whether it’s human or not, what matters is that the dragon said: ‘If you want to become strong, kneel and call me Master.’”