![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbtFrVdYrnYMWG5f9kxCkWLJh50dC8W8a7GpOH5HU3H_HIXdkvUpMejPLZh6k8HTOlwHysENp5R3VVsKqRAusUD3BiYoqriUzMO3JwMoPHd6El_NN1kzXDn2K1CZah_HDdIWLUJ8EWZ9E/s400/4minute+reveals+%25E2%2580%259CHeart+to+Heart%25E2%2580%259D+MV+teaser+starring+CNBLUE%25E2%2580%2599s+Jungshin.jpg)
The title track is called “Heart to Heart“, and the MV teaser hints at a sweet turned sour relationship between member HyunA and bad boy CNBLUE’s Jungshin.
It’s a short prelude of what’s to come before the full song gets released on March 29th.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3hN1WZX1N_JzqWUljZfwFB7fRL_j3y4dZtcduo3WBRkmkfUwcyxRygocvLVcxPSWKLxdQ4hIlFMj8z_36LwTkIMNeiT-z2v6D1YSk_FhrZ_5ePMl52bS6SxsVBhbS59Fb6BHk6yw0rAw/s400/4minute+reveals+%25E2%2580%259CHeart+to+Heart%25E2%2580%259D+MV+teaser+starring+CNBLUE%25E2%2580%2599s+Jungshin++2.jpg)
source: allkpop