Monarch of Gluttony: System of Sin - Chapter 16: 16: Card of Judgement

A tree of 10,000 flowers, the world is the door.
The spells change a lot, but the hearts of the people are unchanged.

- Description from Uukanshu translation

As a good-looking Beta with a good family background, Duan Jiayan has lived a smooth sailing life for more than ten years, until he met Lu XingCi in high school.

Lu XingCi’s family situation is better than his, he is taller than him and plays basketball better than him. Needless to say, his grades are a whole tier above Duan JiaYan’s. Even his friends can’t help but occasionally praise Lu XingCi.

Most importantly, every girl that Duan JiaYan has set his sights on, all admitted that they have liked Lu XingCi for a few years already.

Since then, Duan Jiayan has never thought well of Lu XingCi, till the day he received his new medical report. He is a late-blooming Omega, and because he became an Omega this late, it came with dire consequences. Now Alphas will feel the need to beat up other people whenever they come near Duan JiaYan. He himself is now allergic to every Alpha’s pheromone, except Lu XingCi’s.

*

One night during a self-study session, Duan Jiayan became extremely uncomfortable and ended up asking Lu XingCi to bite him and leave a temporary mark.

After finishing the bite, Lu Xing asked: “We Alphas have very bad tempers, now that I’ve bitten you, are there any rewards?”

“Why don’t you…” Duan Jiayan tentatively asked: “Be a little more generous?”

“Sure,” the other party kneeled slightly and tilted down his head, exposing his white neck: “Then you’ve to also bite back. Once you do, I won’t make a fuss anymore.”

Duan Jiayan: “…”

- Description from Novelupdates

Zhang Ye was originally a mundane college graduate with aspiring dreams to become a star, but unfortunately has below average looks and height. However one day, he woke up and suddenly found himself in a parallel world!