Description:

The story begins with Yggdrasil, a popular online game which is quietly shut down one day. However, the protagonist Momonga decides to not log out. Momonga is then transformed into the image of a skeleton as "the most powerful wizard." The world continues to change, with non-player characters (NPCs) begining to feel emotion. Having no parents, friends, or place in society, this ordinary young man Momonga then strives to take over the new world the game has become. (Source: ANN)

Description:

Our protagonist is a college student who enjoys playing as the evil-aligned faction Arachnea in her favorite real-time strategy game. One day, she finds herself in a world similar to the one in the game; additionally, her body is now that of a fourteen-year-old girl. While things are a bit different from how they were in the game, one element has remained the same: she is the leader of the Arachnea. The insects under her control, collectively known as the Swarm, praise her and implore her to lead them to victory. In order to survive, she raises her Swarm and forms friendly relations with the elves of the neighboring forest. But after a slaver traveling through the forest murders one of her Swarm and the nearby kingdom’s knights burn down the elven village and massacre its people, she prepares to launch her counterattacks in the name of revenge. However, revenge is merely a pretense for attacking the countries of this world. Her command is masterful and severe, as one who has played the game in real life... (Source: J-Novel Club)

Description:

The Sage Dwight, he along with the Hero defeated the Demon Lord who sank the world into darkness.However, they were falsely accused of becoming the next Demon Lords because of his power, and were thrown to The Valley of the Dead to die.......But though his flesh has rotten away, he lives on as a skeleton because of his grudge against the world. Dwight has vowed to deny that wrong world, and with a power that surpasses even the Demon King of the past, and also leading countless Skeletons he's going to start an all out war...!(Source: Mangadex)