Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - [LN] Volume 2 Afterword

Rainer, an amateur arcanist and college student, sought to create a new spell far surpassing the magic of the few he inherited from his grandfather. Yet the interference of an unknown event during the casting of his spell led him to be thrown through space and time.

The eldest daughter of the Li family is beautiful and sassy, ​​she took space materials to flee famine, and after going through many difficulties in war, disease and epidemic, she united with her family to regain the glory and harvested a beautiful boy.

- Description from novelbuddy

Ben, a postgraduate chemistry student, envisions a future where science unlocks the secrets of the universe. But fate has other plans. In a sudden twist, Ben dies and awakens in a strange new world, reborn as a five-year-old boy named Damian Sunblade.Damian's joy at being part of a noble family is short-lived. His family, valuing gold over blood, sells him off to another noble house to be groomed as a homemaker husband, a mere pawn in their political games. Struggling with his new reality and the remnants of his past life’s knowledge, Damian refuses to succumb to his fate.In his new household, Damian discovers that this world is governed by magic circles, Runic symbols wielding immense power. Driven by his scientific curiosity, Damian begins to experiment. Applying the laws of physics to the Rune symbols, he deciphers their secrets and invents his own unique form of magic.However, The family that bought him has their own plans for him, seeing Damian as a valuable tool to enhance their power. But Damian, ever the independent spirit, has dreams beyond servitude. He longs for freedom, a place to call his own—a life where he can use his talents without restraint.And so Damian devises a daring plan to escape. His journey is fraught with danger and intrigue, as he navigates a world filled with mystical creatures, powerful adversaries, and ancient secrets. Along the way, he forges alliances and battles enemies, all while refining his magical and scientific skills.In “The Runic Alchemist,” follow Damian Sunblade’s epic quest for independence and self-discovery. Witness his transformation from a forsaken child to a formidable Alchemist, determined to carve out an extraordinary future for himself in a world teeming with infinite possibilities.

The leader of the thousand demons, the Demon God Chun YeoWoon. Due to an unfortunate accident, he had been sent to the distant future.