GMMTV Drops Official MV for “Red Flag” OST from Upcoming Series *You Maniac*, Featuring William Jakrapatr and Est Supha

GMMTV announced that the official music video for the *You Maniac* original soundtrack track “Red Flag Ost. You Maniac เดี๋ยวจะรักซะให้บ้า,” performed by actors William Jakrapatr and Est Supha, is now available on YouTube (GMMTV RECORDS) and major streaming platforms. The post includes a link to the MV, promotional imagery, and tags the two artists along with series-related hashtags. It is trending due to strong engagement (thousands of likes/reposts and rapid quote activity) driven by excitement in the Thai BL / WilliamEst (“Westie”) fandom ahead of the series.