• Revival(CIX)
• HELLO Chapter 1. Hello, Stranger [Japanese ver.]
• Pinky Swear
• 'OK' Episode 2 : I'm OK
• All For You(CIX)
• 'HELLO' Chapter Ø. Hello, Strange Dream
• 'OK' Episode 1 : OK Not
• 틀:CIX
• 0 or 1
• 'OK' Prologue : Be OK
• CIX
• THUNDER FEVER
• 'HELLO' Chapter 1. Hello, Stranger
• 'HELLO' Chapter 2. Hello, Strange Place
• 'HELLO' Chapter 3. Hello, Strange Time