The world of K-pop is known for its incredible talent, stunning visuals, and remarkable group dynamic that draws people to become fans.

Fans particularly adore it when artists from different groups come together, showcasing their friendships and creating unforgettable sibling vibes. 

On June 15, aespa's Karina and NCT's Taeyong joined forces as they took on each other's challenges.

The two idols first danced to Taeyong's solo debut track, "SHALALA," followed by aespa's "Spicy." Fans were particularly awestruck by the visual chemistry of Karina and Taeyong as they look like siblings on camera.

They commented, "They look like brother and sister," "Their visual chemistry is so crazy," "They look so good together," "They are both so good at dancing," "They both look like CG characters," "They really look like cartoon characters," "They are so good looking," "I am loving this challenge," "Taeyong looks good with his new hair color," and "I want to see them together more."