Kaoru Nagase died unexpectedly while walking home from her office job one night, and she suddenly finds herself in front of a man dressed in white. The man introduces himself as God and apologizes for his mistake that resulted in her untimely demise, vowing to make it up to Kaoru by reincarnating her into another world. The next world's goddess, Celestine, reforms Kaoru's body and gives her all the concessions she asks for: the body she had when she was 15, the ability to make potions with effects of her choice, and a box with infinite storage space, to name a few. But soon, Kaoru realizes that, despite being told otherwise, this new medieval world doesn't have much in the way of magic, causing her potions to be highly sought after by greedy nobles. However, by using knowledge from her previous life, she just might find a way to survive in this world using her potions.

The world is on the brink of destruction after a devastating ten-year war in the "shadow labyrinth." Desir Arman is one of the last skilled magicians left standing, but even he is no match for the formidable foe threatening humanity's very existence. Just when he's certain the end has come, he is sent back in time to his early days of studying magic at the prestigious Hebrion Academy! With this rare second chance, Desir is determined to save not only himself but also the friends and comrades he once lost. Armed with the knowledge of what their future holds, can his efforts make a difference, or are they all doomed to relive the same terrible destiny?

The second season of Saihate no Paladin. Two years had passed since he left the City of the Dead, and Will was seventeen by count. As a lord, he developed "Torch Port, a river port of light", and gradually the people's activities and smiles returned to "Beast Woods". However, out-of-season flowers bloom profusely, and an abnormality is discovered in the forest. Will and his friends head into the depths of the forest to solve this problem, and receive an ominous prophecy from the king of the forest. "In the Iron Rust Mountains, the 'Fire of Black Calamity' will occur. The fire will spread, or it will burn everything in this land." What is the calamity that sleeps in the ruined dwarven city of Tetsusabi Sanmyaku...!?

Rami Nana-Hikari's adventures continue as the keeper of the Secret Treasure. A year has passed since the apocalyptic disaster which left a great crater in the center of Edo City. The destruction wrought major economic consequences and while much investment was poured into the public works for the new Edo Castle, the citizens were all feeling the pinch of the recession.