Sōki Azuma serves as a supporting character within the "Eikyū Shōnen Eternal Boys" franchise. He is recognized as a singing and dancing prodigy, performing as part of the idol unit Story of Love. His physical appearance includes brown eyes and orange hair cut to ear length; he is sometimes depicted wearing a choker.

His name, Sōki (創輝), combines the characters for "creation/beginning" and "brightness/radiance," while his surname, Azuma (吾妻), derives from the characters meaning "I/me" and "wife." Available information concerning Sōki Azuma is limited to these details; no further specifics regarding his background story, character development, personal history, motivations, relationships, or narrative evolution across the anime series, film ("Eternal Boys NEXT STAGE"), manga, or spin-off media exist.