MTL - Open the Simple Mode After Wearing the Book - Chapter 71 go to war

A modern university graduate, traversing the window between two worlds, steals a celestial cultivation opportunity that originally did not belong to him. And this celestial technique, quite unorthodox...My credibility should be assured. In order to be responsible to the readers, I must earnestly remind you: my book is easy to linger on in your thoughts, so proceed with caution.

The MC transmigrates to the Narutoverse in the body of an orphan boy from the Senju clan, as a normal person from modern Earth he has little to no fighting experience, but luckily time is something he has a lot as Naruto is just 6 months old so, he can slowly build his strength to live a “Peace-full” life

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
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Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

Lu Chengye’s dream was to live freely and have fun until he died. Unfortunately, he inherited a company and was worked to the bone!

After finally taking over the company, he had just prepared to begin his carefree life when he was hit by a car and died. His last thoughts were that it would be much better not to be human in the next life.

And so, Lu Chengye was reborn as a Labrador.

- Description from Novelupdates