Vampire slayer||||rpg

In this world people slay vampire and they are called vampire slayer they gain unique ability after some training and vampires are creature who looks same as human but at night they hunt people for blood and can use their blood art which are strong ability of vampires, IDA is a organisation where vampire slayers are trained they get their own custom weapon suit and etc and train with their team in a team theirs 4 people 1 trainer 3 Student they later get sent to mission depending on their rank the vampire and the slayers are ranked from E to S