On March 24, 2026, Cortis dropped new content on Instagram—a post featuring the message "Sunbae-nim, I love you" that quickly sparked buzz among fans. Showing off their quirky style, Cortis uploaded playful, filter-driven photos bursting with personality, highlighted by a range of expressions and dynamic movement. Fans flooded the comments with love for Cortis, leaving reactions like "THE SHOES IM IN TEARS" and "That Caption and Martin Said ^Sunbaenim Saranghaeyoo^."