In My Own Dream I Am Not Invincible

Strange encounter in a school, dream and reality, which one is real, encounter in another world and reality, why does the male protagonist appear in my dream, I protect you in the dream, you protect me in reality, we become the best partners, adventure with the male protagonist in reality and dream, crack the shocking secrets of this school one after another... Finally, I find that the dream will eventually wake up. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.