True Cross, True Love [Rin Okumura x Reader]

This is my first story on here so I hope you like it! (-^O^-) 'I want to become an exorcist. I want to avenge her death, and the death of many others. I want to kill Satan, King of Gehenna. No. I will kill Satan!' You, like all the others at True Cross cram school want to become an exorcist. After you get there, you g...