"Jung is a male character in the Japanese manga series ""Brother is not the villain"". He is a 17-year-old high school student and the younger brother of one of the main characters, Daichi.

Jung is portrayed as a kind-hearted and loyal brother who always seeks to protect and support his older brother. He is also shown to be a talented athlete and excels in his school's track and field team. Throughout the series, Jung struggles with his own insecurities and feelings of inadequacy, particularly in comparison with his successful older brother.

Despite these struggles, Jung is determined to prove himself and is often seen training rigorously to improve his skills. He also displays a strong sense of justice and is not afraid to stand up for what he believes in, even if it means going against the wishes of his family or peers.

One of Jung's defining traits is his unwavering optimism and positivity. He is always quick to see the best in people, even in those who have hurt him in the past. This attitude often inspires those around him and helps to strengthen the bonds between him and his friends and family.

Overall, Jung is a well-rounded character who adds depth and heart to the ""Brother is not the villain"" series. His unwavering loyalty and determination to succeed make him a fan favorite among readers, and his growth throughout the series is a testament to his strength and resilience as a character."