On March 23, 2026, Irene announced via Red Velvet's official Instagram that her first solo album is coming. Titled 'Biggest Fan,' it drops on March 30, 2026 at 6 p.m. KST.
The Instagram post featured a cute character-themed album image and previewed various inclusions. Fans are going wild, leaving comments like "No way, this is insane" and "SO CUTE OMG."
Pre-orders are now open, and more details are available via the provided link.