#1: Returning to Hogwarts to complete his schooling after the war, Harry finds his crush on the Half-Blood Prince has become hero-worship. Embarrassed, Severus decides to prove to Harry that he is being foolish by kissing him. Things don't go as planned.
#2: Severus is receiving death threats and Auror Harry is assigned to investigate.
#3: Harry becomes reckless after being dumped by Ginny and Severus decides to save him from himself.