Her new account was announced through the official Momoland social media on November 10 KST.
Her very first post commemorated the group's three-year anniversary with a picture of the Momoland members joining their hands together to form a six-pointed start with their fingers.
"November 10, 2016. Momoland, Merry [Momoland's fandom name], congratulations on three years," she wrote. "You've been waiting for a long time, right? Today I am opening [my Instagram account]. I've also been waiting."
Meanwhile, Momoland shared a group photo through their official Twitter account to commemorate the special day.
Check out Jane's Instagram post below!