[2] Nunes was elected a city councillor for São Paulo in 2012 and 2016, having been part of the pro-government coalition of mayor Fernando Haddad, of the Workers' Party.

[3] Nunes gained notoriety in the media for being actively against the inclusion of sexuality and gender in the city education plan.

[4] In 2020, having been preparing a third run for city councillor, Nunes became the running mate of incumbent mayor and mayoral candidate Bruno Covas, in a coalition between the PSDB, MDB and DEM, part of a political maneuver by São Paulo state governor João Doria, a PSDB member, seeking an eventual support of the MDB in the 2022 elections.

[2][3] As deputy mayor, Nunes kept a low profile, appearing publicly only in the absence of Bruno Covas.

[2] After assuming office, it was reported that PSDB sought to persuade Nunes to switch to their party from MDB.