“1 SIDED LOVE,” the lead single for ANONYMOUS, is an R&B ballad in which blackbear contemplates breaking up with his partner. He sees that she clearly doesn’t love him and it’s the best for the two as he admits that the relationship changed him. The track is complimented by it’s 2019 Valentine’s Day release.

The official music video was released on February 22, 2019, exhibiting the highs and lows of a relationship while featuring blackbear himself. The video ends in a painful breakup.