|Hair||, Black, Short|
|Body||, Pale, Teen|
|Personality||, Hardworker, Stoic|
|Engages in||, Investigation|
|Visual novels||Side character - Area-X|
Main character - X-Note
A student of Xen institute, Yuon was the one who invited Essi to his school in order to investigate a murder case and a mysterious disappearance. He knew about Essi's abilities and asked her to use them to find the culprit.