Sekai Saikyou no Majo, Hajimemashita

Touka always faded into the background at school. And when he’s summoned to another world with his classmates, that still doesn’t change! They all acquire top-rank skills, except Touka, who’s deemed a failure and cast to ancient ruins by the goddess Vicius. Turns out, his low-rank skills may not be so useless after all. Now, he seeks revenge against the goddess, and his true nature is revealed.

Mukouda Tsuyoshi, an ordinary salaryman, is suddenly transported to another world one day. The unique skill he gains upon arrival in this world is the seemingly useless "Online Grocery." Mukouda is discouraged at first, but the modern foods he's able to bring to his new world using this skill prove to have some unbelievable effects!

The story centers on Akira Ono, a regular guy who works at a company that manages an online game. He often plays the game as his character "Maou" (Dark Lord). But one day, when he logs on, he is whisked into the game's fantasy world as his character. There, he meets a one-legged girl, and begins his adventures alongside her. But as he is a powerful "Dark Lord," various nations and holy maidens journey to defeat him, and he stirs up trouble everywhere he goes.

Mitsuha is an 18-year-old girl who’s often mistaken for a middle schooler due to her childlike face and small stature. The story begins when she loses her parents and her older brother at the same time in an accident and ends up all alone in the world. She fails her university entrance exams due to the shock of losing her family. There are people who are after her parents’ insurance money. She doesn’t know whether she should go to college or start working. There are also lots of expenses to worry about, including living expenses and the cost of maintaining the house. One day, as she worries about how she'll survive, she’s given the “World Jumping” ability by a mysterious being that allows her to go back and forth between “this world” and an “isekai”! Now that she has this ability, she comes up with a plan for the future in which she saves 1 billion yen in each world for a total of 2 billion yen (80,000 gold coins)!