ZEROBASEONE's Zhang Hao is the voice behind "I Wanna Know" for the 'Transit Love' OST.

In the music video, Zhang Hao sings the track from inside the studio along with scenes from the romantic reality series. "I Wanna Know" is a theme song for 'Transit Love', and it expresses the excitement of wanting to know another person's little details one by one.

Check out Zhang Hao's "I Wanna Know" above, and let us know what you think in the comments below.