Okay, this is completely adorable. What does Dongwan have up his sleeve? �

The MV teaser for his upcoming track "Du Du Du" has Dongwan trolling on his girlfriend on her birthday with the help of a female friend. Cruel? Funny? We'll see how everything plays out once the full MV is out, but the song sounds super adorable so far and his chemistry with his on-screen girlfriend is super realistic!�

Watch the cuteness unfold above before the full release!