I got reincarnated, too bad my sister came along

Akari, a 17 year old high schooler complacent with his life playing video games soon finds himself in a fantasy world. Ren his sister, a 15 year old sophomore student spends her time with her friends and being an average teenager. These polar opposite siblings are forced to work together by a freak accident and now find themselves trying to survive in another world. Will these two rip each other apart or stop being stubborn and conquer this new world of theirs. -------- Main writer me, duh ;P Editor also me :/ Why are people reading this???