Immortality begins with Becoming an Alchemy Grandmaster - Chapter 21 - : Sudden Riches_1

Among the demons, the supreme ones are called “Great Saints.”

A young man leaves his mountain village and travels around the world. By unceasing efforts, he finally becomes a legend of the age.

- 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.

Pei Jin is a black bellied prince. To outsiders he is a kind gentleman and always calm.

Traveling through the fantasy world, becoming the descendant of the immortal family in the fairyland, born with a Chaos Physique, accompanied by a piece of Immortal Bone and a Primordial Seal.Starting with the Chaos Physique, he pushed forward all the way to be invincible.There are thousands of geniuses in the world, and they all have to bow their heads when they see me.