MTL - Princess Medical Doctor - ~ 239 complaints, the reason for this

Living a perfect life helping others and without committing any wrongdoing, Noah meets his untimely end saving a girl from being hit by an incoming truck.While he accepts his end, he finds himself not in whatever afterlife awaits, but an enigmatic place only known as “The Cycle.”Due to his “Perfect” karma of one million, he is transported to a fantastical world of magic, though he chooses a simple, quiet life along a lake. However, when being sent to this second chance at life, one gift is bestowed upon him:[...Integrating System…][Jack-of-All-Trades System Activated.]From doing push-ups, chopping trees, and even cutting vegetables, every action is its own unique skill, able to be ascended from a meager level of zero all the way to greatness!

In the world of Norse mythology, a human boy falls in love with Waltraute, the fourth Valkyrie sister. He wishes to marry her, but Waltraute gives him an impossible challenge to deter him.

Nevertheless, the boy is determined to carry out the dangerous task and to marry Waltraute afterwards.

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

In the waves of steam and machinery, who could achieve extraordinary? In the fogs of history and darkness, who was whispering? I woke up from the realm of mysteries and opened my eyes to the world.

Firearms, cannons, battleships, airships, and difference machines. Potions, divination, curses, hanged-man, and sealed artifacts… The lights shone brightly, yet the secrets of the world were never far away. This was a legend of the “Fool”.

- Description from novelupdates