She has stated that she still aspires to finish law school, and not devote herself to music exclusively, even though her popularity as a musician is increasing.

Demy first appeared in Midenistis' song, Mia Zografia which became a big hit in Greece and Cyprus.

[4][5] A new single, "Poses Hiliades Kalokeria" (How Many Thousand Summers) was released in June 2012 [6] and quickly reached No.1 on the iTunes Greece song chart.

On 25 June 2012 she performed on the Greece, You Have Talent finale, singing a medley of her recent releases (Mia Zografia, Mono Mbrosta, and Poses Xiliades Kalokairia).

On 30 July 2012, the video for "Love Light" was released by Panik[13] In the summer of 2012 she embarked on a tour that included performances in Greece, Cyprus and Russia.

On 28 July 2012, Demy, along with Playmen, performed "Fallin" at the Europa Plus Live music festival in Moscow, Russia.

A 24-second teaser was released on YouTube on 17 October 2012[16] In December 2012, it has been announced that she will be starring in the musical "Fame" at the "Ellinikou Kosmou" theater in Piraeus.

The album also included her big hit in Greece with the Greek rap singer Midenistis "Mia Zografia".

[24] After that in May 2014 she released one more summer hit called "Oso O Kosmos Tha Exei Esena", along with the Greek rap singer Mike, and reached No.1 in Greece and Cyprus.

[26] During the period of December 2014 to February 2015 Demy was performing in a night club, called "Fever", along with Despina Vandi and Nikos Oikonomopoulos.

[27] Also, that year was part of the Jury in a Talent Show, called "The Music School", which was displayed in the Greek channel,"Mega".

[30] On 27 January 2016, the musical Aadam's Family was premiered at the Vempo Theatre and Demy embodied the role of Wednesday Addams along with well known actors such as Antonis Kafentzopoulos and Maria Solomou.

[31] Demy also appeared in Madwalk 2016 where she sang her new single "Tha meineis feugontas" and she walked on the catwalk for Tsakiris Mallas along with Doretta Papadimitriou.

[32] On 10 May 2016, Demy along with DiGi and the rock band RadioAct released the soundtrack of the first Greek action film "Short Fuse"[33] Eurovision Song Contest 2017 On 13 January 2017, Demy was announced as the Greek representative in the Eurovision Song Contest 2017 held in Kyiv, Ukraine.

The first trailer dropped on 14 November 2018[40] and on 13 December 2018, Panik Records released the video clip for her soundtrack "Έλα" featuring scenes from the film.

On 15 February 2019, Demy released a song with one of her movie's co-star, Katerina Papoutsaki, titled 'Dipla Mou', which video clip also featured scenes from the film.

[47] On 7 March 2021, Demy organized an online concert from home due to the Covid-19 pandemic and the popularity of the concept as travel was restricted.