Among Kpop idol groups newly made debut in 2015, who attract attention most?

Korean netizens picked Top 3 newly made debut Kpop idol groups in 2015:
GFRIEND, MONSTA X, and SEVENTEEN

Netizens have responded like this
"Girlfriend is great considering the fact that they are from a small and medium-sized entertainment company,"
"MONSTA X and Seventeen are popular among female high school students,"
"I can tell Seventeen's song is good, but the only members i know are Vernon and Woozi."

↓GFRIEND

 

 

↓MONSTA X


 
↓SEVENTEEN

 
▲Image Source:© News1