Wendy (Red Velvet), Seulgi (Red Velvet) - I Only See You (OST Hwarang Part.4)
Wendy (Red Velvet), Seulgi (Red Velvet) - Don't Push Me (Original) (OST Uncontrollably Fond)
Wendy (Red Velvet), Seulgi (Red Velvet) - Don't Push Me (Ballad ver) OST Uncontrollably Fond