MTL - Darkness is Coming - Chapter 719 To dream of a dream (below)

Lyle Walt is a young noble boy and heir looking forward to the day he can inherit his family’s territory. Except around when he was 10 year old, his parents started neglecting him more and more in favour of his little sister, Celes.
On his fifteenth birthday, he is challenged to a duel by his sister to see who will inherit the household and horribly loses, being cast out of his family. Afterwards, he gets treated by the family groundskeepers and receives the family heirloom Gem from him that Lyle’s grandfather had entrusted to him. From there, he begins an aimless journey with his childhood friend and former fiancée, Novem, and the Gem-turned-Jewel that houses the memories, personalities, and Skills of seven of his ancestors.

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

Why did an incubus become the most coveted species among the most powerful and sought-after empresses, even by primordial goddesses?!

There is a famous legend on the ALZANIA planet. Who says that once every hundred thousand years, an incubus will be born, through a mystical ritual. He will possess mysterious powers that could allow any empress mage to reach divinity, any goddess to achieve supremacy!!....... But would the possessor of such power have the blessing of a peaceful life?!------

Follow the daily life of Alvine, who had just opened his eyes, who suddenly found himself in the body of a boy celebrating his 18th birthday.

[ Ding!! ....]

[The host has reached the age required for activation of the succubus gene ]

[The transformation process into an incubus will begin in 5 seconds... 5....4...3..2..1...]

Turns out your childhood best friend — the one you always thought was a dude — was a babe all along....And she has WHAT? A Yuri harem? (An all-girls harem? Seriously?)While she attracts women as easily as breathing, women run away from you the moment you breathe?