"Hanazawa Teruki, also known as Teru, is one of the leading characters in the Japanese manga, ""Mob Psycho 100 Doujinshi Yaoi."" Teru is portrayed as a confident and arrogant teenager with psychic abilities, who initially serves as an antagonist in the series. However, as the story progresses, he develops into a more sympathetic and complex character.

Teru is first introduced as a rival to the protagonist, Shigeo Kageyama, also known as Mob. He is a powerful esper and is initially shown to be more skilled than Mob. Teru is proud of his abilities and uses them to gain popularity and fame in his school, leading him to become the leader of the school's Student Council. He is also depicted as being vain, as he is often seen admiring his reflection in mirrors and windows.

Despite his arrogance, Teru is a complex character with a tragic backstory. He was formerly a victim of bullying and was able to gain his psychic powers as a result of trauma. He uses his abilities to gain revenge against his tormentors, which ultimately leads to a confrontation with Mob.

As the series progresses, Teru becomes more empathetic towards Mob and begins to understand the consequences of using his powers to harm others. He begins to question his own actions and beliefs, eventually coming to terms with his own past and seeking redemption for his actions.

Throughout the series, Teru's growth and development are heavily focused on, as he navigates his own trauma and guilt. His interactions with other characters, particularly Mob, provide a deeper look into his character and serve as a commentary on the effects of bullying and the importance of self-reflection.

In summary, Hanazawa Teruki, or Teru, is a complex and multidimensional character in the Japanese manga ""Mob Psycho 100 Doujinshi Yaoi."" His journey from antagonist to sympathetic character is a central focus of the series, highlighting the importance of growth, introspection, and redemption."