K-pop boy band BTS (also known as Bangtan Boys) have topped Japan’s Oricon Single chart for the first time since debut with their fourth single, “For You,” selling a reported 42,611 copies on Wednesday.

Fans showed support and congratulated the group for their accomplishment.

“I’m so proud of my boys," wrote Freysan in a comment on Thursday to the Korean news website allkpop. "They are really slowly becoming a bigger name,” 

And Freysan was not the only one happy that BTS is taking over the charts.

“Wow! Congratulations boys!" added fan Alfand on Thursday.  You all definitely deserve it,”

BTS's new album album includes their title song, “For You” as well as “Hormone War” and “Let Me Know.” They were also seen on the Tower Records Pre-Sale chart at number three.

Last June, BTS released their first single in Japan and begin official promotions.

This past February, they held their Wake Up: Open Your Eyes concert tour and met with local fans in Tokyo, Osaka, Nagoya and Fukuoka and sold out of all tickets.

On Tuesday, BTS topped the Hanteo Chart with their BTS Memories of 2014 DVD, which contains a compilation of footage from their promotions from 2014.

Last Friday was also their second anniversary since debut and announced that they would be performing songs from their album, “Sick” on stage during the last week of June.

Also on the Oricon Weekly Single Chart was girl group KARA at number four with their fifth Japanese album, “Girl’s Story.”