Itai no wa Iya nanode Bōgyo-Ryoku ni Kyokufuri Shitai to Omoimasu - Chapter 46

After dying as a college student, Kain wakes up in a magical world where people form bonds with spiritual creatures to fight alongside them. Determined to rise to the top, he relies on a System and loyal companions.Everything seems to align with his ambitions—except the spiritual creatures he can contract seem to be remarkably…strange

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

If Xiang Yu emerged victorious in the Chu-Han contention war, how would history unfold?Through entrepreneurship, social club management, and the exploits of a lowly household servant, this story explores how one can excel in the worlds of commerce, politics, war, and love. This servant is no ordinary person, and even a lowly carp can leap through the Dragon’s Gate.The tale of “Finest Servant” takes place in an alternate timeline following Xiang Yu’s triumph. After years of his reign, China established a dynasty known as the Grand Dynasty of Da Hua…A modern-day sales manager is transported to the era of the Grand Dynasty of Da Hua due to an unexpected incident, becoming a prestigious servant in the Xiao family mansion. Separated from his loved ones by time and space, Lin Wanrong decides to forget his sorrows and embark on a glorious journey through a different era.Accustomed to playing the fool and hiding his true abilities, Lin Wanrong uses his unscrupulous and cunning personality, along with his modern scientific knowledge, to shine in ancient society.At the height of power and wealth, surrounded by beauty, how will this humble household servant navigate the treacherous waters of politics, business, and love?

When he wakes up, Su Changkong has traveled to a world where troops are chaotic and demons are rampant, and his martial arts qualifications are mediocre, but Su Changkong found that as long as his [lifespan] increases, his talent and potential can be [infinitely] improved!

Wu Qin Xi: imitating tigers, deer, bears, apes, birds and other animals.

Turtle Breath True Dinggong: Imitation Qigong, like a thousand-year-old tortoise breathing, breathing, breathing and closing for a long time, prolonging life!

Celestial silkworm magic: nine transformations of the silkworm, breaking the cocoon into a butterfly, rejuvenating the old and rejuvenating, opening the door of life and death, every transformation is a rebirth!

Cultivation of health boxing, practice the Qi of longevity! There are many corpses on the road of longevity, and Su Changkong has embarked on a longevity martial arts where heaven and earth are destroyed but I am immortal!

- Description from novelbuddy