After releasing their debut music video for "Trend" off of their "Piggy Style" mini-album, the trio have returned to debut on this week's Music Core in an effort to "change the trend of idol music." Their title track, "Trend," features a trance-like feel with an R&B intro and a modern synth sound, all the while showcasing their powerful vocals. Affectionately nicknamed 'Super Heavy Idols' by new fans, their agency, Happy Face Entertainment, commented, "They may be rookies, but their powerful performance shows their preparation to capture the attention of the public." Check it out below! Source + Photos: TV Daily via Daum