7th Demon Prince Jilbagias' Chronicle of Demon Kingdom Toppling - Chapter 64.1 - Taboo Child of Dragon

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

“Just once, I want to make it through the first stage of screening…”

To pass as an imperial concubine, one must be professional.

Actually, the profession of an imperial concubine is pretty good. The emperor will accompany you in eating and drinking, and even pay you for it. What’s not good about that?

- Description from Novelupdates

Jiang Yang and Qin Xu both dislike each other. Every time they meet they become filled with hatred. Both have feelings for the school idol but they didn’t expect that the other party was actually a cross-dressing man. In an instant, their world views were shattered.