Kyoukai Senjou no Horizon - Volume 6A, Chapter 3: Closed Room Destroyer

I am but a traveler in a foreign land, with no desire to become an immortal.After cultivating Daoism in the deep mountains for twenty years, Master sent Song You down the mountain to witness the demons, ghosts, spirits, monsters and myriad aspects of life, to explore the famed mountains and rivers, and seek the legendary immortals. She said that was the true path of cultivation. Who would have thought, after traversing every corner of the land, the immortal I sought turned out to be myself.Original Blurb:In the remote wilderness, amidst the whispering winds and ancient trees, Song You, a wanderer from a foreign land, treads a path of solitude with no intention of becoming a celestial being.For two decades, Song has immersed himself in the rigorous discipline of mountain cultivation under the guidance of his master. Unexpectedly, his master instructs him to descend from the secluded mountains and explore the world of demons, monsters, and the myriad facets of human existence. Song embarks on a journey to witness the diverse landscapes and encounter the supernatural, seeking out renowned mountains and mighty rivers rumored to be the abodes of true immortals – the epitome of authentic spiritual cultivation.Little does Song realize that his quest will lead him far and wide, traversing the vast expanse of the land. In a surprising turn of events, he discovers that the celestial being he seeks is none other than himself.As Song journeys through the bustling regions of the north and the serene landscapes of the south, he unravels the mysteries of his own existence. The people he meets, the challenges he faces, and the secrets he uncovers become integral parts of his transformative journey. The pursuit of enlightenment becomes an odyssey of self-discovery, and the boundaries between mortal and immortal blur.

Wonder Woman: Why are you Superman’s younger brother? Eric replied: On the first day of travel, I, who was also a baby, climbed into Superman’s baby capsule, pushed him out, occupied the nest by myself, and became a “son of Krypton”.

Superman: Why don’t you save the plane? Eric replied: I will not lift things by stepping on the air.

Batman: Why didn’t kryptonite work for you this time? Eric replied: I originally wanted to get along with you as a Kryptonian, but in exchange it was alienation.

Okay, I’m not pretending anymore, I’ll showdown, I’m a native of the motherland. …… This is a story about a man who was mistaken for a Kryptonian with a template of the motherland, but is actually a sinister and black guy who is doing things in the world of superheroes.

- Description from novelbuddy

When a boy in a medieval fantasy world wakes up with the memories of his past life, he discovers a secret buried deep within his mind—a highly advanced AI companion. This AI, a relic of his previous existence, holds the knowledge of a futuristic world filled with technology, science, and innovation.Armed with this unprecedented advantage, the boy embarks on an extraordinary journey to transform his medieval surroundings into a thriving futuristic utopia. From reinventing agriculture to creating advanced cities, he introduces ideas far beyond the comprehension of his peers. But his vision isn't without challenges—power-hungry nobles, skeptical commoners, and ancient magical forces stand in his way.