Stage Name: AJ/Siyoon
Birth Name: Kim Jae Seop
Group: U-KISS (Former Member)
Position: Main Rapper, Vocalist
Birthday: June 4, 1991
Zodiac Sign: Gemini
Blood Type: A
II. AJ Facts
– He went to a foreign school, “Korea Kent Foreign School”, so he learned to speak English.
– AJ started in the music industry at age 14.
– His older sister thought he looked like he should be in a band and suggested to her friend, who was working for a company putting together his first group, PARAN.
– He is a former member of PARAN.
– He joined U-KISS when Alexander and Kibum departed, his first song with the band was “0330”.
– He composes songs and participated in the making of “0330” and “Obsession“.
– He said he is closest to Eli and often compared himself to him.
– He likes rice noodle.
– AJ was voted as the member with the highest IQ.
– AJ was admitted at Columbia University of United States in 2011.
– AJ has been officially registered as a songwriter in Japan.
– AJ wrote the title song “Believe” of U-KISS’s special album, “The Special to KISS Me”.
– On July 29, 2012 it was announced that he will be on a temporary hiatus and will no longer attend activities of U-KISS in order to focus on his studies.
– On August 29, 2016, AJ announced that his contract had expired with NH Media and officially left the group.
– He joined Rooftop Company and now is solo singer under the stage name Siyoon.
– Siyoon made his solo debut with the mini-album titled “Surreal, But Nice” on July 20th, 2017.
– Siyoon applied for “The Unit”, however he didn’t make through the audition.
