MTL - This Ninja is Obviously Not Strong, But He Kills Too Much - ~ Come on in the high school entrance examination~!

Humanity was on the brink of destruction. Muyoung, an assassin from the Forest of Death, fell to his knees. There were corpses all around him. For years, he had worked for the Forest of Death and had finally been able to eradicate them. Now, he, himself, was about to die. He closed his eyes as he felt his heart stop beating.

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

Why is the book Evolution Chart related to the theory of evolution?What is the relationship between the Ethereal Cloud Sword and the probability density?How did cultivators build atomic bombs?How did quantum mechanics appear in a cultivation world? Why were the ancient supreme experts and the modern ring grandpa labeled as being misguided and useless?What is the connection between Quantum Grandmaster, Daoist Proscribe, and Supreme Lord with the great scientists Bohr, Heisenberg, and Einstein?Let us follow the host, no, the protagonist Wang Qi, entering a world like never before and explore the secrets of scientific cultivation.

“Ding!”“Congratulations on receiving the following Unique Skills:-–Appraisal (Basic)–Skill Absorption (Mythic)–Universal Synthesis (Ultimate)”_____________________________________“Synthesis Skills— Swift Sword Strike + Fire Toad's Breath.”“Ding!”“Congratulations! Your Skill Synthesis was successful.”“Your skills evolved into: Azula Sword Strike.‌”“Synthesis Materials— Titanium Runic Sword + Wyvern Bones”“Congratulations! You Synthesis was successful. Your Sword has evolved into Skeletal Dragon Sword.”-----In a heart-wrenching tale of loneliness and despair, Ethan Smith's life has been one of unending tragedy. Orphaned at a young age and tormented by a relentless terminal illness, he spent his final days confined to a cold, confined hospital room.As he takes his last breath, he awakened in a mysterious void, where Ethan is given the opportunity to choose three unique skills that will define his new existence. With millions of options but only three choices, he carefully selects his path, setting the stage for an extraordinary journey after death.Reincarnated into a fantastical world filled with magical Skills, powerful beings, and untold dangers, Ethan must navigate his new life, wielding the skills he chose to survive and thrive in a realm where anything is possible.But the question remains: Will this second life bring him the happiness and purpose he was denied in his first, or will it lead him down an even darker path?