The person Qing Yuannian hated the most was Miss Shen. For Yan Bingyun's benefit, she had helped Fan Xian and indirectly caused Shen Zhong's death. Shen Zhong had once taken care of her when she was growing up, but in the end, he suffered a tragic end because of her actions. Miss Shen's actions were seen as a sign of disloyalty to the country, because she was betraying her country by helping Yan Bingyun, causing many soldiers to die on the battlefield. In addition, she had shown impulsiveness and disregard for the consequences of others in love, allowing Fan Xian to kidnap her to threaten Shen Zhong. Miss Shen's existence became one of the breakthroughs in Shen Zhong's downfall. Therefore, according to the information provided, Miss Shen was one of the most hated characters in Qing Yu Nian.
The person Qing Yuannian hated the most was Miss Shen. In the first document, someone expressed that they hated Miss Shen and believed that she had betrayed the country for Yan Bingyun's benefit, which indirectly led to Shen Zhong's death. In addition, Miss Shen was also accused of being a love brain, disregarding the interests and consequences of others. Although there were other characters mentioned in other documents, there was no clear indication of who the most annoying person was. Therefore, according to the information provided, the person Qing Yuannian hated the most was Miss Shen.
Well, in the MHA manga, Dabi does meet his end. It's a poignant moment that has significant implications for the story's progression and the dynamics among the characters.