Arifureta: From Common Place to The Strongest Swordsman

Jason Kurenai is the best friend of Hajime Nagumo, he's been by his side since they were kids. Hell, some people mistook them as brothers with the way they act with each other. But in school things are different, Hajime is treated poorly by others, leaving Jason to protect him at best he can, he even threatened his classmates to leave him alone and not pick on him. Although, he ends up takin some of the abuse as well, he has some other friends, other than Hajime, to protect him. All in all, things were pretty boring for these two.

Then one day, Jason, along with the rest of his classmates and their teacher, was summoned to fantasy world, and was asked to help save it. During a dungeon raid, Jason and Hajime got betrayed as one of their classmates launched a spell directly at them, causing them to fall. Although Jason was fine, his friend Hajime ended up having his arm sliced off and nearly bled to death. They managed to escape, but neither of them has any idea of what to do now. Suddenly, he remembered why he fell in the first place, angered by the revelation that one of their classmates tried to kill them on purpose, and nearly succeeded, the two made a promise to find a way out and find a way home. Both doesn't care who stands in their way, if somebody dares to try and stop them, THEY'LL KILL THEM!

During their journey, they'll meets a vampire girl, a bunny girl, and a perverted dragon girl. These three will join them on the journey, and they won't be the only ones.