System: My Doomsday Train - Chapter 36: "Accessory Name": Spider Limbs.

After escaping his own death, the Deity of Void woke up in a human slave's body. He became utterly frustrated after this failed attempt. However, he was glad enough to have escaped. His only problem now... is living in this human body, which has limited time. That's something a deity like him won't be able to bear.He's a deity in a human's body with one goal; to achieve an eternal life. And he would absolutely do anything to achieve it.

In a fantasy world ruled by kings and queens possessing great magical power, Kant Icurus Maybale is the only prince on the Aceaton Continent who does not possess magic. However, what he does possess, that nobody else does, is his past memories of the time when he was a Mechanical Engineer on Earth. With nothing but knowledge, brains, and wisdom, he dares to bring this medieval-esque fantasy world into the industrial era, and gain unimaginable wealth and power. Along the way, powerful forces that feel threatened by his rise in dominance will do whatever it takes to bring him down! Will he be able to conquer the continent, and potentially the world, to usher in a new age, or will he get crushed by the existing world order?

Zhang Jian finds that after he worships his ancestors, they would return his favor by giving him some precious cultivation materials.“Young Master Zhang, this is a return from the Lord Envoy for your ancestral worship, an Immortal Family exotic treasure, may you enjoy it!”

The strongest Hero in history, Nakamoto Keisuke.

He was summoned to another world in the spring at the age of fifteen years old, and when he successfully defeated The Demon King, he was already thirty-two years old. He had finished his role in another world and returned to Japan, but the reality that had been waiting for him was, “Middle school graduate with seventeen years of blank period” label. He couldn’t find a decent job and had no choice but to spend his days working part-time.

Before such a Nakamoto, a beautiful girl who self-proclaimed had come to return the favor, appeared. “I’m the reward for Hero who had defeated Demon King”, said Angelica, a girl who came from another world that persistently tempted Nakamoto to make her his wife. Together with a high school girl who looks like Elsa, his beloved girl that he lost in another world, Nakamoto with his cheats skills got caught in a harem life.