In the original Naruto, Naruto's character development is about him finding his place in the world and achieving his dreams. He is full of hope and energy. In the 'naruto is always depressed fanfiction', this development is completely different. His depression might make him question his dreams and his purpose. He may not have the same drive to become Hokage or to protect the village. His internal struggles are more about his emotional state rather than his growth as a ninja as in the original story.
The original Naruto is known for his positive attitude towards life, even when things are tough. He sees the good in people and believes in second chances. In the fanfic, if he is trying to commit suicide, it completely changes his outlook. It means that instead of seeing the potential for a better future, he has given up. This is a far cry from the Naruto who always tries to find a way forward, no matter how hard it is.
In the original story, Naruto looks up to Kakashi. But in this fanfiction, the hatred completely changes their dynamic. It's a huge deviation as it goes against the foundation of their relationship in the original series.
In the original Naruto story, family is a very important and positive concept for Naruto. His parents sacrificed for him, and he has a strong bond with his friends who are like family. But in this fanfiction, the complete opposite is true. Naruto hates his family, which is a huge deviation.
Well, in the original Naruto story, Naruto is mostly seen as a hero or an underdog trying to prove himself. But in this fanfiction, he is feared. This is a huge deviation. The original Naruto is all about friendship, hard work, and believing in oneself. In the fanfiction, it seems to focus more on the negative perception of Naruto, which changes the whole dynamic of his character relationships.
The character dynamics are likely to be very different. In the original, Naruto is seen as an underdog trying to gain recognition. As a monster in the fanfiction, he might be feared or shunned, which is a huge departure from the original story where he gradually earns respect through his hard work and determination.
The original Naruto story doesn't depict Naruto as bipolar. So in this fanfiction, it's a major deviation. His stable and determined character in the original is replaced with a more erratic one.
In the original Naruto storyline, Naruto is a character full of hope and determination. He would never give up easily, especially not to the point of taking his own life. So in this fanfic, it's a huge deviation as it goes against his core trait of perseverance. He has faced countless difficulties and setbacks in the original story but always found a way to keep going.
Well, in the original story, Kushina is Naruto's mother and she loves him deeply. But in this fanfic, the hatred completely flips that relationship on its head. It's a huge deviation as it goes against the fundamental mother - son bond that is so central to Naruto's backstory.
In the original Naruto story, Naruto has a strong desire to be part of a family and be accepted. However, in this fanfiction where he doesn't like his family, it completely flips that aspect. His family is usually a source of support and love in the original, but here it becomes a source of negative feelings for him.
In the original story, Naruto loves ramen. It's a big part of his character. So in this fanfiction, it's a complete opposite. It changes the fundamental aspect of his relationship with food.