The Adventures of an Overpowered Knight in Another World - Chapter 344- Vangeance & Silvia Vs Darkmaw

Every human on Earth was transformed into a summoned monster and was summoned to another world.

Bearing the supreme Blood of the Emperor, he unlocked the strongest Emperor's Eye!Martial Technique Copying! Bloodthirsty Frenzy! Seeing through illusions! Memory Reading! Burning World Black Flame! Cloning instant movement! Spatial destruction! Unlimited Vision! Time Stasis!…[Chaos Heavenly Emperor] Ling Feng, “With these eyes, I dare to make heaven and earth tremble!”

Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name.

She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere young master……

As it turns out, this was a male-dominated dynasty. Because the female population was sparse, the entire nation shared wives regardless of rank or nobility. Is it feasible for someone who wants to maintain monogamy in this dynasty?

- Description from Novelupdates

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that would turn him into… A pervert.

Now he must lived with his dual identity as a model student named Ethan and an incubus named Damian.