Delius was born in 1974 in Buenos Aires. In her childhood and adolescence she drew non-stop. She studied comic strips with Alberto Breccia in 1993 in the 90s collaborated in the comic strip magazine ‘El Tripero’. She has illustrated many books, plays and poems, in addition to contributing to many publications. She has participated in collective exhibitions and events in the Argentine cities of Mendoza, La Plata and Buenos Aires and the European cities of Bologna, Angoulême, Barcelona, Madrid and Basilea. She lives in Buenos Aires, where she works in illustration and comic strips. She is a member of the Argentine kamishibai club and gives classes in morphology in the Graphic Design dept of the University of Buenos Aires.