chapter 1,vol 1.the other "side"

"Im bored living here... i wanted to go to ann isekai.."rei,and their freinds is an ordianary high school student discovered a book that explain about another world,conected to theirs,they dont know that there are some eyes that spying them,the night they got home,they were killed by a mysterious man&women,sudenly they all already transfered to another world named "the light side" read the story to know what happended to them XD