I became real older brother to Top Star (Fan translation)

Jeong Yoon-Ah, a top Korean celebrity known by her stage name IV. She is admired for her beauty, talent, and success, but the public sees her as perfect but somewhat distant. In reality, IV struggles with anxiety and loneliness, which she hides from the public. Her manager, Kim Eun-Seong, has been working with her for nearly two years and is one of the few who knows about her true self suddenly became her brother.