Lord Of Doom!Reincarnated Into a Novel as the Strongest Side Character - Chapter 35: The Technique-free room.

Tóng Yáo woke up and found herself in an unfortunate situation.

Not only did she transmigrate into a fantasy-romance novel that had been dropped by the author, she transmigrated into cannon fodder that was fighting against the protagonist for a man!

In order to keep living, Tóng Yáo immediately reached forward to grab the protagonist’s thigh.

“Mistress, I was wrong!”

- Description from Novelupdates

After being transported to this world, Nara Kazuki discovered that as long as he grinded enough proficiency, his jutsu could level up.And so, he began walking a very... peculiar ninja path.

Fifty years ago, the oxygen in the atmosphere changed, giving rise to a new form of air known as Spiritual Qi. Humans, plants, and animals alike suddenly awakened latent mutant genes and began evolving, gaining Superpowered Talents and Classes. Life took a new turn, and humanity had to adapt.Everything seemed to be going well until, fifty years later, a 16-year-old boy named Klaus awakened a terrifying Talent and Class. His awakening marked the beginning of a new era in human evolution.Unbeknownst to everyone, Klaus, who was shunned by society and dropped out of school to work for a better life for himself and his mother, was actually the last of the Nine Paragons—a being so powerful that even the heavens feared him.Watch as Klaus climbs the ladder of strength, pursuing absolute power with a single purpose: to protect and make his mother happy.

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!