Mash-Up: I'm Not A Substitute - Chapter 68: Public Execution!

One-eyed Wolf Lecan is a skilled adventurer who has conquered many dungeons all over the world. He had been going solo for a long time, but in the last three years, he’s had a partner. That partner jumps into the black hole together with Lecan, and both go their separate ways as they fall into another world. Dungeons and magical beasts also exist in that world. After learning the native language, Lecan goes on a journey. Meeting a good teacher, Lecan studies medicine making and magic under that teacher, and begins his dungeon explorations for real.

After she had transmigrated into the body of an abandoned wife of a little marquis in Ancient China, Su Nuan Nuan, a modern-day food lover was delighted!

She was a famous plastic surgeon in the 21st century, both at home and abroad. But one day, she transmigrated to become a young lady in the Prime Minister’s Mansion and got bullied. The concubine hung her up and beat her, forcing her to marry a fifty years old general as his second wife! But unexpectedly, she received an imperial edict and was asked to marry the emperor’s fifth son – the Evil King.

Who was the Evil King? A gunpowder explosion destroyed his appearance and one of his eyes. After waking up, Evil King’s temperament changed drastically. The handsome young man became a bloodthirsty and cruel tyrannical king. This was not even the most frightening thing. It was said that the Evil King had four wives, but none of them had lived over a month!

Last night, the Evil King’s fourth wife died. Today, she was tied up and sent to his mansion …

- Description from Novelupdates

Sam crosses to a new planet that is completely magical. He discovers that humans can have superpowers, and monsters also inhabit the planet. Humans continuously fight these monsters to protect themselves and their world.Unfortunately, Sam, who just arrived on the planet, lacks the potential to become powerful and doesn't possess any shortcuts to gain strength quickly. As a result, he resigns himself to living an average life and tries to avoid danger.However, everything changes when he graduates from the academy. He receives an invitation from his former academy to become a teacher, and simultaneously, he awakens the Teacher system.Now, on this perilous planet, if he desires to become powerful, he must accept students and empower them. Only when his students become strong will he gain strength himself. Join his journey to become the greatest teacher.