* Haruhi's True Feelings are Revealed: While Haruhi initially tries to keep her feelings for Tamaki a secret, she eventually confesses her love for him.
* Tamaki's Confusing Feelings: Tamaki, despite his obvious affection for Haruhi, is initially hesitant to accept her feelings due to his own complicated emotions and the fact that he doesn't understand what love is.
* The Final Challenge: A wealthy and powerful family comes to the school, proposing to take Haruhi away to become their heir, separating her from the Host Club. This forces Tamaki to confront his feelings and make a decision.
* The Ultimate Confession: Tamaki realizes that he truly loves Haruhi and can't live without her. He confesses his feelings to her, finally understanding what love is.
* A Happy Ending: Haruhi chooses to stay at Ouran and be with Tamaki, proving that their bond is stronger than any social or financial pressures. The series ends with the two of them smiling at each other, suggesting a bright future together.
The ending also shows that the Host Club continues to operate, with Haruhi continuing to be part of the group, albeit not in disguise anymore. This signifies that the friendships and relationships developed throughout the series remain strong, leaving a sense of closure and hope for the characters.