I Died on the Court, Now I'm Back to Rule It - Chapter 158: Horizon vs. Kurotsuki : The Forgotten Fang 1

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

He is the emperor of the business world. Rumor has it that he was fond of men and because of this, Song Wen Xin agreed to marry him.

After their marriage, he proved to her that he has the ability of a normal man!

“You are not allowed to hide when fulfilling the obligation of husband and wife. You are also not allowed to refuse the gifts that I send you. And, when you take the initiative to come to me… you are not allowed to stop!” He ordered her overbearingly.

Song Wen Xin immediately said: “In your dreams!”

He laughed enigmatically: “What a coincidence! I’m best at making a dream into a reality!”

He dotes on her, dotes on her with no bottom line at all…

- Description from Novelupdates

Traveling through the world of Naruto, he is just a four-year-old boy who has no talent, no family, no blood, and no tailed beast.

Unexpectedly, after completing the Jain test, the system suddenly awakened.

Since then, he has drawn the glittering fruit, the shaking fruit, the dragon-killing magic crystal of fire, the magic eye of death, Geass, the blood of the ancestor giant, the eye of reincarnation, the eternal kaleidoscope writing wheel eye…

Also, Demon Sword Muramasa, Death Note, Longinus Spear, Godzilla, Zanpakutō*Kyoka Suizuki, Zanpakutō*River Blade, Natural Teeth…

- Description from novelbuddy

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.