Re:Zero Kara Hajimeru Isekai Seikatsu - Volume 3, Chapter 8: The result of gambling

At a young age, I became a thousand-year-old bastard.

Ding! Congratulations to the host, you have obtained the phagocytosis synthesis evolution system.

An earth dragon was found in front, devouring synthetic evolution, the earth dragon tortoise.

From then on, my wonderful career began…

- Description from novelbuddy

In a fascinating new world, Sam finds himself reincarnated as a developer of unique simulations for a society of monster hunters known as “Hunters.” These skilled individuals employ advanced simulations to sharpen their abilities and acquire new skills essential for their dangerous profession. Drawing from the popular video games of his past life, Sam crafts immersive experiences that challenge and prepare the Hunters for the perils they face. As he navigates this thrilling realm, he discovers the impact of his creations and the true essence of bravery in the fight against formidable monsters.

Liu Changgong time-traveled to a cultivation world. However, without any talent for cultivation, he was destined to be an average person. So, Liu Changgong simply cultivated for fun. When he was free, he would also do calligraphy, paint, play chess and the qin to pass time…

Transmigrating into a world of cultivation, you find yourself at the lowest rung of the sect's hierarchy. Everyone wants to bully you to gain some benefits. Fortunately, there are always a few junior brothers and sisters who are 'generous and understanding', allowing you to improve peacefully and secretly grow stronger. Years later, unbeknownst to anyone, you successfully become a deity within the sect. This day, your master visits you at the sect's request.'The upper echelons of the sect believe you have been diligent and loyal over the years, and though your strength is mediocre, you are an honest person, so they've found a marriage alliance for you.''An alliance marriage?''Not exactly. The other family has a rule: marrying into their family means taking their surname.'Is this... becoming a son-in-law who marries into the wife's family?