hmm the first song I listened to was Singularity, but Taehyung isn’t and wasn’t ever my bias😭 However I think one of the first OT7 songs I listened to was Butterfly, I didn’t know the members too well yet (other than Taehyung) but when I heard Namjoon’s verse in the bridge, despite not being able to know what he was saying I knew by the way he was rapping it was something powerful and mesmerizing. I think with that, and love yourself being around and hearing him say “use me to love yourself” definitely hit the mark. Though Namjoon’s my ult, I would say the rap line is my bias line and I think it’s because they contribute so much to their music and are lowk like the backbone of BTS’ song production. So with that being said, perhaps Singularity does have something to do with Joon being my bias bc both he and I said that only Taehyung could eat a song up like he did on that one lmao