'L'Epée Noire du Pentaskel'.
After his high school, Jean-François focused directly on illustrating without doing any other studies. He was among the five finalists in a contest of the comic festival in Angoulême. He began the 'L'Epée Noire du Pentaskel' series with writer Serge Pradier at Albin Michel. He also collaborated on 'Requiem Tenebrae', a project of Nicolas Bournay and Philippe Jacquot which united several young authors.