Monster no Goshujinsama

Everyone in a high school is suddenly transported to another world As they are attacked by monsters they find that some of the students now have superpowers They organize themselves into two groups Those without powers are called the Stay Home Group and those with them are called the Exploration Group On a day where most of the Exploration Group is out the remaining ones that stay behind start the slaughtering and raping of the Stay Home Group
Here we meet our protagonist an average guy with no abilities who had just barely escaped death at the hands of his schoolmates He ends up far away in a cave on the verge of death exhausted and wounded when a slime enters the cave and starts eating away at his hand All he can do is utter please someone out there help me