The DragonSlayer in DxD

I actually squeezed my last few brain cells to think of a synopsis, better appreciate it! Errr... Sacred Gears. Godly Artifacts that God of Bible bestowed upon the Humankind. It changes the lives of those who possess these mythical artifacts, mostly for the worse though. Dragged into a dangerous, unforgiving world that WILL cause their death, all for what? Akihiko Katou's Life changed. He was dragged into the supernatural. But he was not going to let himself die... errr... I dunno why? plot ig...