Asuka Tenjouin is the Queen of Obelisk Blue. Despite this she is good friends Judai and Sho and assists them in most of the threats that Duel Academy suffers.
Asuka Tenjouin is a model student in Duel Academy, at some point her brother mysteriously disappeared from the abandoned dorm. She was determined to find her brother, and soon discovered that he was one of the shadow raiders. She secretly has a crush on Jaden but she never tells