Fans from around the world posted congratulatory Tweets for the group, including celebrities, brands and corporations. On the day of launch, the majority of Tweets came from the Republic of Korea, the United States, Indonesia, Brazil, Japan, the Philippines, Mexico, Thailand, India, and Peru. In addition, multiple hashtags such as #BTS_Butter, #BTS, #방탄소년단, #BTSBackWithButter, #BTSArmy, and #SmoothLikeButter topped trends around the world.
Twitter designed custom emojis for the launch, with the hashtag #BTS_Butter generateing a heart-shaped yellow butter logo to symbolize the group’s new song. The BTS and ARMY logos appear in yellow for the hashtags #BTS, #방탄소년단, and #BTSArmy. The hashtag #Got_ARMY_Behind_Us launched on the same day, as a way to express gratitude for ARMYs, which attracted global attention from fans.