Born in 1991 in Korea, So Hyang In began her piano studies at the age of 5 and continued to study with Seok Kim at the Seoul Arts High School. Following graduation, she studied in the Seoul National University under Aviram Reichert. So Hyang In completed her master studies at the Hochschule für Musik und Theater Munich with Antti Siirala in June 2019. This was followed by a further semester with Antii Siirala and a master's degree at the Hochschule für Musik und Theater "Felix Mendelssohn Bartholdy" Leipzig with Gerald Fauth. She has won the First prize at the Young Artist Competition of Music in the Mountains Festival in Colorado US, Fourth prize at Isangyun International Competition, Second prize at the Mendelssohn Hochschulwettbewerb, and was a laureate of the 2017 Maj Lind International Competition.
In 2018, she was a semi-finalist at the Dublin International Competition and in the same year, she won the first prize at the Valsesia Musica International Competition in Italy. So Hyang In has appeared in various recitals and concerts such as Cosmos Hall Recital, Yamaha Hall Recital, Kumho Young Artist Recital, Chosun Ilbo Debut Concert. She also has performed with Music in the Mountains Festival Orchestra, Daejeon Philharmonic Orchestra, Daejeon Youth Orchestra, Changwon Philharmonic Orchestra.