MTL - Zhui Xu - v2 Chapter 21 Late autumn and early winter (on)

Humanity's end came without warning when a crimson fog swallowed the sky. Zhao, an ordinary man, watched in horror as a celestial voice declared their fate: their Planet had reached its limit, and its people would now atone for their sins. An otherworldly force crushed resistance, and in an instant, every human was teleported to the Central Land, a vast and hostile realm.The voice from the heavens promised trials that would shatter their wills, but also power beyond imagination for the fortunate. Only those blessed by luck would awaken unique Lord Talents, granting them the means to survive and dominate:In a world where strength lies supreme Zhao will do whatever it takes to get stronger.Zhao awoke in an isolated area near a forest. As despair set in, a voice echoed in his mind:Ding… Million Times Multiplier System has been activated.Just as the rest of the players had known of the world Zhou's subjects were clearing out every resource.When others were building their base he had built a kingdom.And by the time they knew of his threat, HE HAD ALRDY BECOME GOD!

What if your own father and his mistress were behind your mother’s death? What if you were about to be sold if to a scumbag?

Mu Yue traveled to the world of Naruto and became an ordinary chuunin teacher at Konoha Ninja School and a member of the Root Organization.

Fortunately, after awakening the teacher system, you can become stronger by teaching.

In order not to become Danzo’s consumables, Mu Yue worked hard to teach and increase her strength.

“Complete the teaching rated A for the first time and receive the reward – mastery of fire attribute chakra properties change.”

“Under your guidance, Uchiha Shisui has worked hard to practice, and his overall strength has been greatly improved, and he has been rewarded – the Immortal Human Body!”

Under Mu Yue’s guidance, Zhishui understood that the village’s enemies were not necessarily other big countries, but could also be within the village. People who spoke righteously about the will of fire might not necessarily act in accordance with the will of fire.

Obito got rid of the title of being the weakest person in the ninja school, and Metkai became a master of physical skills even earlier…

- Description from novelbuddy

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?