Yuuto and Haruka are looking forward to spending time together on a school trip. However, Shina finally works up the nerve to tell Yuuto she has feelings for him. This event drives a wedge between Haruka and Yuuto and forces them to confront how they feel. (Source: ANN)
AniWave is the best site to watch
Haruka Nogizaka's Secret: Finale SUB online, or you can even watch
Haruka Nogizaka's Secret: Finale DUB in HD quality. You can also find
Diomedea anime on AniWave website.