I, Robb Stark! the Freys Don't Want to Live!

A modern senior reader of "A Song of Ice and Fire", after an accident, his soul traveled back to Robb Stark three days before the "Red Wedding". How to prevent the "Red Wedding" from happening, preserve yourself and the core strength of the Northern Army, and try to change the tragic fate of the Stark family and even the entire Westeros continent? Let's wait and see!