Koi Shitemasen!恋してません! ; 才没有在恋爱 ; Koishite ma Sen! ; Koishite Masen! ; Koishitemasen!

After trying for so long to change himself from the person he was in university and leave behind the painful memory of unrequited love, why does the very person Nakajima wanted to forget the most have to appear before him now?