Chapter one (the beginning)

your a transfer student from some other school and your anti social but what happens when Ritsuka forces you to befriend her? later on you find out that Ritsuka is the forbidden grimoire and that the school holds more secrets then she thought. you make it your gaol to protect Ritsuka from the mysteries that lurk in shiko academy but will you be able to protect yourself after you find out that there trying to look for the forgotten treasure as well?