She performed two songs in character, "Twenty Three" and "Heart" (Korean: 마음), both of which were later included as bonus tracks on her 2015 album, Chat-Shire.
Dia membawakan dua lagu dalam karakter tersebut, "Twenty Three" dan "Heart" (bahasa Korea: 마음), keduanya kemudian dimasukkan sebagai lagu bonus di album 2015-nya, Chat-Shire.