Male Osoro x Reader: I'll protect you

You're a new student to Akademi high and are nervous being the new girl luckily you have your brother Midori to help you out. But when he leaves you alone you end up bumping into some delinquents wanted to cause trouble for you. When start looking bad their handsome and rugged leader Osoro Shidesu comes in to save you! And once murders and kidnappings start happening at akademi (that all seem to have some relation to you) he makes a vow to you to protect you.
Will Osoro be able to protect you will?! Will you find out whose responsible for all the tragedies?! Will your brother ever stop asking stupid Question?! Read to find out!