It could be that her plans were thwarted. If she had carefully laid out certain schemes for the betterment of her kingdom or herself, and they were disrupted, that would surely make her angry. For example, if she was trying to arrange a political alliance and it fell through due to the actions of another noble or some unforeseen circumstances.
Maybe she was betrayed by someone she trusted. In many stories, a betrayal can easily make a noble character angry.
There could be a love interest. In many web novels, a love interest can be a significant character. Maybe he is the one who can finally soothe her anger or is involved in the events that lead to her being angry in the first place.
It might be due to a thwarted plan. She could have been working on a scheme for the betterment of her kingdom or for her own power - play, and something or someone has stopped it from happening. For example, an opposing political faction has managed to block her proposed legislation. This would surely make her angry.
She might give cold glares to those who have displeased her. A single look from her can send shivers down the spines of the courtiers.
One possible reason could be that the Cullens make a decision about her future without consulting her. For example, if they decide she should leave Forks for her own safety without asking her how she feels about it.
"A Daughter's Marriage" was a rebirth novel written by a tea guest from Qianshan Mountain. The main characters included: - Jiang Li: The daughter of the Jiang family. In her previous life, she was schemed by her stepmother and sister, ruining her reputation and causing her maternal grandfather's entire family to be executed. After her rebirth, she had taken every step she could to avenge her loved ones. - Ji Heng: The princess of Dongli Country. In her previous life, she was used by her stepmother and sister. She married someone she didn't love and died of depression. After her rebirth, she decided not to compromise and live for herself. - Xue Fangfei, the daughter of Duke Xue's wife. In her previous life, she loved Ji Heng, but was seen as a thorn in her side. In the end, she was framed to death by Ji Heng. After her rebirth, she decided to let go of her feelings for Ji Heng and find her own happiness. - [Ji Yuansu: Emperor of Dongli State. In his previous life, he fell in love with Jiang Li at first sight but was rejected by her.] After his rebirth, he decided to pursue Jiang Li regardless of everything and finally won her heart. - Ji Munian, the regent of Dongli State. In his previous life, he was disheartened by Jiang Li's rejection and left his hometown. After his rebirth, he decided to let go of his feelings for Jiang Li and help her realize her wish for revenge. - [Ji Yong: Jiang Li's cousin. He died trying to save Jiang Li in his previous life.] After his rebirth, he decided to protect Jiang Li well and not let her get hurt again. - [Yin Changge: Jiang Li's good friend. In his previous life, he blamed himself for Jiang Li's death.] After his rebirth, he decided to help Jiang Li take revenge. - Xiao Rongyan, Jiang Li's husband in her previous life, divorced her because he misunderstood Jiang Li. After his rebirth, he decided to pursue Jiang Li again and spend the rest of his life with her. " Ink Rain Clouds " was adapted from the famous author of Yuewen Group, Qian Shan Tea Guest's " The Daughter of a Diwife ". The original work was also very exciting. Click on the link below to start reading!
Maybe Snape made a snide comment about Hermione's intelligence or her Muggle - born status. Snape has a rather acerbic tongue, and if he said something derogatory about Hermione's abilities or her heritage, she would surely be furious. After all, Hermione works extremely hard to prove herself in the wizarding world and any attack on her intelligence or background would be a big blow.
It could be due to a misunderstanding. Perhaps someone spread false rumors about him, and as a result, people started treating him differently. He might be angry at everyone because he feels that no one bothered to find out the truth from him. Also, if there were some new rules or restrictions imposed on him without proper explanation, that could fuel his anger.
His family might have neglected him in some ways. Naruto grew up alone and feeling unwanted in the original story. If in the fanfiction, his family was around but still didn't give him the love and attention he needed, it would be a valid reason for his anger. He has always craved connection and acceptance, and if his family failed to provide that, he would be furious.
One possible reason could be that Harry made a dangerous decision without consulting Sirius. For example, if Harry decided to face a powerful dark wizard alone, Sirius, being his godfather and concerned for his safety, would be angry.
One possible reason could be that Erza might have taken on a dangerous mission alone without informing Natsu. Natsu is protective of his friends and would get angry if he thought Erza was putting herself in unnecessary danger.