The Only Fuel Is Using The D. - Chapter 318

After the Catastrophe, every rule in the world was rewritten.

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.

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- Description from Novelupdates

When The Cute Kunoichis Spied on Their Teacher's Secret is a light novel written by Kazuma Kamachi and illustrated by Ryuushi Tajima.

The story takes place in a world where Japan never ended their isolationist phase, and agents from foreign powers are always threatening to steal the country's advanced technology. In order to combat this threat there has been a resurgence of ninjas that use Strategic Martial Arts, techniques that combine cutting-edge modern technology with a traditional foundation of martial arts and ninjutsu. The story follows Souha Sugiyado, a 17-year old ninja instructor and former ninja prodigy who was forced to retire from active duty by the wounds he suffered in his last mission. Souha's four students are all kunoichi who have all gained the rank of Elite Ninja, the highest official rank available to ninja. However, one day two Shogunate ninja approach him with the news that his four students have gone rogue and have stolen a portable modular nuclear reactor, and thus they ask for his help in bringing his students to justice.