The characters of Highschool DXD watching the multiple versions of themselves throughout the these enticing and vast amounts of universe's. Reminder: I'm doing for the fun so please don't be to hard.

Are lovable group of idiots are assigned to watch over the multiverse, they got bored however and wanted to be transported to another world. They then set up a teleporter to randomly teleport them to any other dimension. They then have been transported to Goblin Slayer's world. Looks like trouble always follow them around.