I am the God of Technology - Chapter 13 Earth

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

Augustus Cross was a man close to his 30s with nothing to his name. People rolled their eyes at the seemingly useless man and he remained helpless even as his daughter was at the brink of death.When all hope seemed lost, the hidden dragon within him was unleashed when the seal broke accidentally as his birthmark was stained with his own blood. Knowledge of ancient arts filled his subconscious, granting him powers to cure his daughter and other incurable illnesses.A man who was once looked down by everyone is unstoppable now. What lies beyond this man with the power he now possesses?

Akira Kuromiya is just an average high schooler who gets killed by a robber. He wakes up and is now a chicken!? Even worse he becomes the familiar of a girl who's apparently the heiress of a powerful clan.

That was for a short while though, as he was abandoned and woke up to find out he, now she, is trapped in a deadly magical forest with all sorts creatures trying to kill her.

The world she finds herself is one of magic and monsters like the manga she's been reading. Akira, now Hinotori is trying to live her life as a chicken in another world!

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.