- Familiar Wife OST Pt. 1 (2018)
- 쉽다 (Easy Love)
- 오솔레미오 (’O Sole Mio)
- MAMMA MIA
- 팡파레 (Fanfare)
- 부르릉 (ROAR)
- 여전히 예뻐 (Still My Lady)
- 靑春; Tell Me What It Is
- Shut Up N’ Lemme Go
- Jungle Game
- 4 Step
- Watch Out
- 머리카락 보일라 (Hide And Seek)
- 이러다가 울겠어 (Fall Down)
- 왜 이래 (Why)
- Intro;이별 즈음에 (Intro;Around Farewell)
- Easy Love (Chinese Ver.)
- Fanfare (Japanese Ver.)
- Roar (Japanese Ver.)
- Easy Love (Japanese Ver.)
- 詩 ; 00:00
- 나랑 놀자 (Let’s Hang Out)
- 빈칸 (Blank.)
- 불호령 (Scold)
- 웬 감성팔이야 (Just on My Way)