Yadang: The Snitch · 야당 (Yadang) When Life Gives You Tangerines / You Were Fooled / Life / Thank You For Your Hard Work / You Have Done Well · 인생 (Insaeng) Love, Take Two · 첫, 사랑을 위하여
Polar Star / The North Star · 북극성 (Bookgeukseong) 12.12: The Day / Spring in Seoul · 서울의 봄 (Seoului Bom) In Our Prime / Mathematician of a Wonderland / Mathematician in Wonderland · 이상한 나라의 수학자 (Yisanghan Naraui Suhakja) The Twentieth Century Girl / 20th Century Girl · 20세기 소녀 / 이십세기 소녀 (20segi Sonyeo / Isibsegi Sonyeo) I Haven't Done My Best Yet · 아직 최선을 다하지 않았을 뿐 Emergency Declaration · 비상선언 
