Global Demon King: Starting as the Abyssal Dragon - Chapter 404: Understanding

Overnight, she was betrayed by her fiancé and sister, and was forced by her family to marry a fool. On the wedding day, everyone was waiting eagerly to laugh at her and see how she would get her foolish husband to put on the wedding ring. However, she took out her marriage certificate, which shocked the world, because the man on the certificate was not her ex-fiancé or that fool, but...

The low-ranking behemoth, the iron mountain is invincible in the horizontal push, and it is called the king of the backing.

- Description from novelbuddy

When he opened his eyes he found that he had been reborn as an extra in a novel, which he finished reading yesterday. On top of that, he has become a student of the same battle academy, where the main plot will happen. Let's accompany Rio on his journey and find out where it leads us.“i will steal protagonists chances, as for what will happen to main plot if i do so? i don't care!” (Rio)*The book cover doesn't belongs to me if someone wants me to take it down please contact me directly.*(MC is selfish and cares most about himself, rather than following the main story he will follow his own will. and there's no harem too.so, if you like a hero of justice and a plot following type mc with a harem or something then this is not your cup of tea.)

A world only I know of, now I will take it all for myself.There’s no kind soul here willing to share and eat nicely with others.Only the ruthless one who will devour it all alone exists here.