Kammala jumla mai zuwa: Komawa zuwa Fotigal, Possoz ta raba lokacinta tsakanin ɓangaren Lapa na Lisbon, kusan koyaushe tare da 'yar'uwarta Jeanne da abokinta Alice Rey Colaço, da gidan iyali a Estoril. Mahaifinta ya mutu a 1912. Bayan da
tun daga lokacin da aka yi watsi da mulkin mallaka da kuma tayar da kayyadewar al'ummar Portugal da kuma tsarin al'ada game da fasaha, ta shiga cikin motsi na zamani a Portugal. Ta fara baje kolin a "Sociedade Nacional de Belas Artes" (Society of Fine Arts) a cikin 1909 kuma da sauri ta zama sananne, kasancewar ta kasance mai baje kolin yau da kullun a cikin salon shekara-shekara na Society har zuwa 1916. Hakanan za ta baje kolin a Humourist da Modernist Exhibitions daga 1913 zuwa 1926, tare da José de Almada Negreiros da sauransu. Ta kasance ɗaya daga cikin 'yan mata masu zane-zane na tsarinta don shirya nune-nunen mutum na aikinta, a cikin zanen mai, zane-zanen fensir, gouache ko ruwan ruwa. An gayyace ta don shiga ita ce kawai mace mai nunawa a cikin Nunin 2 na Humourists, a cikin 1913, kuma a cikin Nunin "Masu 'Yancin Kai Biyar" a cikin 1923. A cikin al'ummar da maza suka mamaye, Possoz an ɗauke ta a matsayin daidai da 'yan uwanta masu fasaha.