The interesting and exciting thing about K-Pop is that fans always have a hard time deciding on their bias members. In a group, there is always one particular member who will be considered as a bias wrecker and some who you just can't but find yourself falling for them harder and harder.

Recently, there is a term trending among Korean K-Pop fans which refers to how some K-Pop male idols are 'infiltrating' into their hearts without them knowing. Thanks to their caring, humourous, sweet personalities, gorgeous visuals and also amazing talent, it is hard to deny that they have entered your heart sneakily.

Let's find out who they are!

ย 

#1 's JaeYoon

 5 K-Pop Idols Who 'Infiltrate' Your Heart Without You Knowing

Show Champion

SF9 is definitely on a rise and among the 9 members, it was definitely hard to choose a bias member. Even if you do have one bias member, some have been suggesting that JaeYoon is the one who has been infiltrating into the hearts of many FANTASY.

 5 K-Pop Idols Who 'Infiltrate' Your Heart Without You Knowing

SF9 Official Twitter

He loves FANTASY and always treat them with his gentleman and sweet manners. Needless to say, he is always uploading selfies and cover songs on their official channels, making sure that FANTASY is always thinking about him.

SF9 had recently concluded the promoti