"Hierarchy" started with immense potential, boasting a gripping premise centered on power dynamics, hidden secrets, and the promise of revenge. The elite students, each with their distinct backgrounds and intertwined destinies, set the stage for a drama ripe with intrigue and conflict.

Strengths:

Strong Beginning: The initial episodes of "Hierarchy" were captivating, introducing viewers to a world of privilege, power struggles, and the tantalizing secret of Kang Ha. The buildup was intense, creating high expectations for the unfolding drama.
Character Depth: The characters were well-crafted, each bringing their own complexities and backstories. The contrast between the elite students and the enigmatic Kang Ha added layers to the narrative.

Weaknesses:

Disappointing Ending: The conclusion of "Hierarchy" was its most significant letdown. Despite setting up a revenge arc, the storyline abruptly shifted to a happy resolution, negating the build-up of tension and conflict. This sudden change felt forced and unsatisfactory.
Lack of Consequences: The drama's resolution saw all characters turning out to be good, with no repercussions for the antagonists. This undermined the entire revenge theme and left viewers feeling that the narrative had lost its direction.
Unrealistic Turn of Events: The transition from a potential revenge drama to an overly optimistic ending lacked coherence. The characters' transformations and the lack of retribution for the wrongdoings felt unrealistic and disconnected from the story's initial premise.
Conclusion:
"Hierarchy" had all the ingredients for a compelling drama but faltered in its execution towards the end. The strong start and well-developed characters were overshadowed by an unsatisfying conclusion that failed to deliver on the initial promise of revenge and intrigue. The shift to an inexplicably happy ending without addressing the conflicts and wrongdoings left many viewers disappointed.

In summary, while "Hierarchy" began with the potential to be a standout drama, its ultimate failure to fulfill its revenge theme and provide a meaningful resolution makes it a frustrating watch for those who invested in its early episodes.