MTL - When a Master of Metaphysics Marries into a Wealthy Family - ~ Work related

He was the crown prince of the shadow realm and the lord of wrath, Azrael. All creatures, demons, mortals, even angels feared him. However, everything changed after he went for a secret mission in the mortal realm in order to expand his seven sins power.Hiding his identity among the mortals, the vampires were attracted by his royal blood. The mortals were either jealous or admired his abilities. The angels were curious about him. The demons wanted to kill him and take over his power.Little did he know, he had another hidden power sealed inside of him. Something terrifying that could turn him either into the ruler of the three realms or an evil that could destroy all beings.--------------Tags: Mature Content , Comedy , Tentacles, Monster Girls , Yandere , Succubus , Magic , Demons , Angels , Hybrid , Hiding Identity, Goddess , Devil , Battle Academy , Beasts , Action , Mystery , Overpowered , Strong to Stronger , Harem , System , Servants , Handsome Male Lead , Smart Male Lead and a little bit of Slice of Life.

When she woke up, Lake returned to the classroom of the third year. The classmates were in class with swords and sticks, and the teacher became a female Taoist.
The little fat man in the back seat, how to put two big hammers under his chair.
Rick found this to be a global era!

- Description from Uukanshu (translated)

Once upon a time-travel leap, Mu Caiwei, the gold-medal bodyguard, turned into a poor peasant girl, Mu Caiwei, who starved to death.With nothing to their name, and an empty rice vat, facing a skinny, malnourished mother and a bunch of hungry younger siblings, Mu Caiwei rolled up her sleeves and shouted, “Sister's going to get rich!”Although she had followed a proud and aloof path in her past life, times were now different.At the small stall, Mu Caiwei donned an apron, zealously crying out, “Fried skewers, fried skewers, all kinds of fried skewers…”In the fabric store, Mu Caiwei expertly worked the abacus, “This Q version of damask should be sold for fifty taels of silver a piece…”……Soon, the people of the Great Jin Nation knew that the richest person in the Great Jin was not only a stunning, young girl, but also a generous and philanthropic individual!Mu Caiwei couldn't dream that she received a miracle — a magical space, by simply carrying out a few random acts of charity!She also received an extremely “embarrassing” — predestined marriage!In a nutshell: The stunning transition from poverty-stricken peasant girl to Empress!I'm not good with summaries, so please move on to the main text.

This is a story of a transmigrator leading a small martial sect to rise. It is a fantasy tale set in a world of ordinary people cultivating and vying for supremacy, without the assistance of any system.