In the teaser video, Kim Chung Ha takes a shot toward Rain, which results in a knife being embedded in a phone booth.
Meanwhile, Rain will be returning next month on March 3 with his newest mini album 'Pieces by Rain'. "Why Don't We" feat. Kim Chung Ha will be Rain's comeback title track. Fans curious to know more about Rain and Kim Chung Ha's collaboration project can also tune in to weekly updates of Rain's YouTube series, 'Season B Season'!