Transmigration: Step Into The World of Books And Become The Strongest!

If there was an object that could grant any wish you wanted, what would you ask for?Most would ask for wealth and prosperity, while those who are sick would probably ask for health and safety.It sounds impossible, but what if something like that actually existed?...Kirigaya Yuuya, a corporate slave, found himself in an unimaginable situation.After doing a good deed for a beggar, he was given a magical candy that supposedly granted wishes.At first, he dismissed it as nonsense, but when he jokingly wished to be reincarnated as the pathetic character Arthur Vanitas from a fantasy novel he had read, he was stunned to find that the wish had come true!Fear and panic set in as he realized the fate of Arthur Vanitas was a miserable one—he was nothing more than a stepping stone for the protagonist.Just as despair started to overtake him, a voice suddenly echoed in his mind.[Ding! The System of a Thousand Worlds is ready to assist you!][By completing the challenges and missions in the selected book worlds, the system guarantees a change in your fate!][Mission 1: Complete the world titled “Rise of the Unwanted Queen!”][Reward: Mastery of the Five Elements Talent and other mysterious rewards.][Mission 2: Complete the world titled “The Destruction of the World by the White Mage.”][Reward: ...]And with that, Yuuya's journey to change his fate began.