Download MP3 [최초공개] TXT - 0X1=LOVESONG (I Know I Love You) feat. Seori | TXT COMEBACKSHOW | Mnet 210531 방송 Download MP4 [최초공개] TXT - 0X1=LOVESONG (I Know I Love You) feat. Seori | TXT COMEBACKSHOW | Mnet 210531 방송