Red Velvet - IRENE & SEULGI's 1st Mini Album "Monster" is out! Listen and download on your favorite platform: https://smarturl.it/RV_IS_Monster 😈'Monster' Top Note Ver. @IRENE & SEULGI THE STAGE: https://youtu.be/c6a9I5cME7M 😈'Monster' Middle Note Ver. @IR