Ya kasance dalibi ne a Makarantar Wasannin Kang Won-rae kuma ya koyi rawa daga Clon. Ta yi tafiyar sa'o'i hudu zuwa Seoul a kowane karshen mako don yin rawa a matsayin mai rawa na baya ga mawaƙa kamar Park Mi-kyung da Hong Kyung-min. Iyayenta sun saba da aikinta a masana'antar nishaɗi, amma sun canza ra'ayinsu lokacin da suka ga yadda Yezi ke ci gaba, kuma ta koma Seoul a shekara ta biyu ta makarantar sakandare. Yezi ta yi gwaji a LOEN Entertainment bayan ɗayan ɗalibanta sun ga bidiyon da aka buga a kan Cyworld. Bidiyo biyu sun kasance mafi mashahuri a kan hanyar sadarwar zamantakewa a lokacin, kuma sun nuna Yezi yana raira waƙa da rawa. Yezi ya zama mai sha'awar rap yayin sauraron rapper Mion-rae. Bayan horo na shekaru uku a FiEN, ta fara fitowa a watan Agusta 2012. Tambaya: Ina sabuwar ƙungiyar Yezi ta girma?
Gangneung, lardin Gangwon