Days before her marriage to the king of the neighboring Sunruta Kingdom, Princess Annabel of Najir is abruptly betrayed by her fiancé and thrown into prison with her magic knight under suspicion of being a spy. After being held captive for months and informed her kingdom is no more, Annabel passes out in a burst of destructive magic, only to awaken as her 12-year-old self, six years before her political marriage. Armed with knowledge of the dark future to come, she now has another chance to bring about a new fate.

A certain college girl who's loved books ever since she was a little girl dies in an accident and is reborn in another world she knows nothing about. She is now Myne, the sickly five-year-old daughter of a poor soldier. To make things worse, the world she's been reborn in has a very low literacy rate and books mostly don't exist. She'd have to pay an enormous amount of money to buy one.

A bicycle crashes into me one night, and the next thing I know, I’m a baby? Getting reincarnated in another world populated by humans, demi-humans, and mythical beasts is certainly not the turn I thought my life was going to take. I especially didn’t expect to be carried off by a wolf and given into the care of a one-armed former knight. Now, I’m trying to repay him by rebuilding the family inn and healing his arm with alchemy.

Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!

Could workaholic office lady Sei be a legendary Saint? Not according to the crown prince of another world, who summoned her and quickly declared a different girl was the real Saint!