Just a day ago, Karina entered Melon's TOP100 chart at number 28 with her solo track "UP," which was from aespa's second world tour 'SYNK: PARALLEL LINE.'

The idol has been praised for her solo track and gained immense attention on various online communities with fans all listening to her song. Today, Karina soared to the top on Melon's HOT100, hitting the number 1 spot.

"UP" was Karina's solo performance tracks during the group's latest tour. During their second world tour, each member gave fans a special gift by releasing and performing their own solo tracks, delivering unique and memorable performances for their audience. Aespa then officially dropped a special mini-album with the members' solo tracks - Karina's "UP," Giselle's "Dopamine," Ningning's "BORED!", and Winter's "Spark."

Korean netizens were impressed with Karina's latest achievement and praised: 

"Wow, this is crazy, I thought the song was good but I didn't think it would be this successful. Karina is so popular."

"The song is so viral on another level."

"aespa is going to be number 1 this year."

"She was on rank 28 on TOP100 too."

"Karina is so successful."

"When did she release the solo track? I should go listen to it right away."

"The song is so addicting."

"Karina's solo track is so awesome."

"Wow."

"The song is good but also the topicality is crazy. It's thanks to Karina's popularity."

"Karina's solo track is really good. I've been listening to it on YouTube before it was released on the streaming sites."

"Even non-fans know about this song."

SEE ALSO: Check out a preview of all the songs from aespa's 'Whiplash' through highlight medley teaser