There's Something Wrong With You, My Lord! - Chapter 11: Self Sacrifice

In a world dotted with World Entrances to a demon world, demons have invaded humans for centuries. Humanity has united and one of the most ancient sects in the world, the Archean Mountain Sect, has set up an entire education system in the form of Dao Academies and defenses at the World Entrances.

After getting betrayed and killed by the only person she’d loved, Miss Shang wakes up in the body of the cowardly crown prince Shang Wuxin, who, due to her own circumstances, was actually a girl cross-dressing as a boy. After inheriting the crown prince’s memories, Shang Wuxin has three things on her agenda:

1. Clean up the house

2. Gather loyal followers and soldiers

3. Get the throne

- Description from Novelupdates

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.

Reincarnated in a magical world with INTERNET POWER?Nolan, a failed teacher, dies and wakes up in a ruined fantasy world—in the body of a Mana Specialist—a magic instructor who helps wizards and knights control the dangerous, corrupted mana flowing through their realm.The problem?The body’s former owner made a deadly pact with a succubus and was hunted by his noble family. Worse still, Nolan doesn’t know a single thing about being a magic specialist that could’ve helped him tremendously in his troubled situation.Just when he thought all hope was lost, Nolan gains access to the Internet. Not just Earth’s version, but this magical world’s version too.Need a face slap? Buy an internet promo to gain access to the knowledge wherever he needs.Succubus problem and strengthening up? Play inside the game and get stronger in real life too.Sometimes, to solve magical problems, all you need to do is browse.