Bog Standard Isekai - Chapter 3Book 1:

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

This is a story of a modern man returning to ancient times, returning to a real world without any extraordinaryness, and slowly rising by relying on the ability to attribute all data.

- Description from novelbuddy

Augustus Cross was a man close to his 30s with nothing to his name. People rolled their eyes at the seemingly useless man and he remained helpless even as his daughter was at the brink of death.When all hope seemed lost, the hidden dragon within him was unleashed when the seal broke accidentally as his birthmark was stained with his own blood. Knowledge of ancient arts filled his subconscious, granting him powers to cure his daughter and other incurable illnesses.A man who was once looked down by everyone is unstoppable now. What lies beyond this man with the power he now possesses?

Transmigrated, Qi Huan became the daughter of an exiled criminal.With only a thatched cottage at the start, it collapsed before long…Fortunately, she was bound to a powerful express delivery system.As long as she did good deeds and accumulated points, she could achieve free delivery!More surprisingly, her neighbor, the waste prince, turned out to be a point farming bug —Helping others +1 point.Helping the waste prince +100 points.From then on, she treated the waste prince as a point farming tool.…But became the waste prince’s one and only intimate person.Once abolished, falling from the clouds into the mud, people avoided him like snakes and scorpions.Only Qi’s little girl always had a bright smile as she sidled up to him.Offering free help without reason, she must be up to no good!At first, Li Shuchen maintained full vigilance.…Later, he gave all his tenderness to her.She opened restaurants and taverns, and he silently protected her;As her chain stores and industry expanded, he became her strong backup;When she donated supplies and did good deeds, he accompanied her.When she came of marriageable age, he proposed with betrothal gifts and a phoenix coronet, welcoming her in full ceremonial attire.From then on, the inner palace had no concubines, only doting on the one.