Meanwhile, Sastre continued writing and began to participate in poetry events, together with a number of singer-songwriters and famous poets.

In 2013, Sastre began her career as a writer with the publication of her work Cuarenta y tres maneras de soltarse el pelo, edited by Lapsus Calami publishers, with preface by Benjamín Prado, who introduced Sastre into Spanish contemporary poetry.

In 2016, Sastre published a poem selection in the book Ya nadie baila, with preface by Fernando Valverde.

Amongst her translations are Los hijos de Bob Dylan, written by North American author Gordon E. McNeer and the lyrics in English of the La deriva album, by Spanish musical group Vetusta Morla.

[4] Sastre's poetics degree has allowed her to take part in some important festivals and literary events, mainly in Latin America, as well as to give conferences in certain American universities.