An independent musician, singer-songwriter born in 2001 whose music style possesses a certain extent of flexibility (currently emphasizing in genres of Indie, Synth Pop, Electropop, and Alternative Rock), Army has delved into music and technology of digital sound for over a decade with further active engagements and experiences. He has participated in the works in multiple roles including the producer, the vocal, and the mixing/mastering engineer in original songs, as well as the composer/writer behind music creations. He sees himself as a sensitive, introverted, solitary, and often an introspective person with the MBTI personality of "INFP/ISFP". His music style and expression are heavily influenced by pop and electronic music in the West, Europe, and the United States, especially the music in the 2010s.