haewon said that the bgm in the trailer is NOT sing to the moon’s instrumentals omg… 🐻‍❄️ they are asking us for unit song spoiler 🐨 unit song spoiler… youre really excited right? first unit song.. 🐻‍❄️ i can tell you just one thing 🐻‍❄️ you guys really liked the deonggeoridongdong