MTL - Very Happy - Chapter 36 Tingting?

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- 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.

Earth has changed and with it so has humanity.Follow Miwen as he makes use of his Gift, Gacha Kingdom Building.

Five hundred years ago, the world was awakened, bringing dungeons, mythological beasts, new races, and lost continents to the surface. It also brought the opportunity to awaken and become strong, but not everyone had that opportunity.Elliot is one of those young people who yearns to become an Awakened One but has not yet succeeded.Despite that, he is different.His desire for power is so strong that he never becomes discouraged despite being mocked and despised by the world for belonging to the group of those Rejected by the System.He still longs to become an Awakened One.His desire for power is so intense that when the long-awaited day arrives, he shakes the foundations of the world, allowing him to become one of those acclaimed Awakened, receiving an amazing and unique class.Although powerful enemies surround him, his intense desire for power will allow him to look beyond what his eyes can see as he rises above the world and achieves Glory.