Unnie! I’Ll Tag You summary:

Kang Chae-rin is a social media addict. She works hard, but she rarely gains followers. Chae-rin, who wanted to quickly live the life of an influencer, gets to know Yeon-woo, a returning student, and also an influencer. She approaches Yeon-woo thinking that if she gets attached to her, she will gain follower too!