Jujutsu Kaisen: I Can Travel Back in Time - Chapter 45 - 39 She Who Must Not Be Named !!! Escapes!

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

- Description from Novelupdates

Travel to the world of pirates and become Belmer’s adopted son! Nami and Nokigo’s older brother! Liu Ye, has been planting oranges for five years!

One day, Liu Ye, who suddenly realized that he couldn’t go on like this, with the mentality of trying, meditated in his heart: “System?”

“I’m here.” A cute voice like classmate Xiao Ai rang.

Awaken the strongest clone system! Every time you level up, you can get a clone!

Absolute loyalty, not afraid of death, and able to upgrade through battles, improve attributes, and even directly buy various exaggerated magical abilities!

“To tell you the truth, the naval headquarters, the sea emperor of the new world, the master of the underground world, and even the top leaders of the cp0 and the revolutionary army, have my people.”

Before the war in Wano, Liu Yejin took Nami’s hand mysteriously, and said to Nami, “Don’t be afraid, no one dares to touch you with your brother’s backing.”

- Description from novelbuddy

Space, System, Treasure, Spirit Tools … other protagonists all have golden fingers, Shi Qing: this young grandpa [Xiao Ye] is a golden finger.

It’s just that …he is now a golden finger and even more importantly bound to a host?

And so this host, has a backstory resulting a bloody darkened heart and soul, truly a psychopath!

A psychopath I can endure, but I also have to work together with the psychopath through different worlds, can I endure?

Ancient times, modern times, apocalypse, futuristic….

Traveling throughout the worlds, Shi Qing thinks the host isn’t as bad as he imagined? Strange.

- Description from Novelupdates

Jiang Che traveled here and practiced for eighteen years to awaken the sign-in system.“Ding, the host signs in to Snow Moon City, and is rewarded with the inheritance of the Drunken Sword Immortal!”“Ding, the host signs in to Peach Blossom Island, and is rewarded with the Tai Chi Xuanqing Dao!”“Ding, the host signs in to the Yin-Yang Family Residence, and is rewarded with the dual cultivation secret technique Yin-Yang Heavenly Immortal Technique!”With the sign-in system, Jiang Che traveled around the Jiuzhou Continent and stood at the top of the world step by step!Li Hanyi: “Legendary man, look at the sword!”Huang Rong: “Woo woo woo, Brother Che, please let me go…”Wanwan: “My feet are fragrant and soft? My brother-in-law is a pervert!”Jiang Che: “It’s over, the whole Jiuzhou Continent knows that I am a scumbag!”