Super Junior member Kyuhyun's solo mini-album debut titled "At Gwanghwamun" was released on November 13. Immediately after the album's release, it received an all-kill and even became a tending topic on Twitter worldwide, Koreaboo reports.

For some time, the hashtag #KyuhyunALLKILL stayed at the top spot of trending topics while #At Gwanghwamun placed on the sixth spot.

According to KpopStars, the emotional ballad took the spot in major music charts such as Melon, Mnet, Genie, and Naver Music.

Kyuhyun's debut as a solo artist has been highly anticipated among Super Junior fans since SM Entertainment revealed he would be following the footsteps of Zhoumi. The Super Junior-M's member also recently debuted as a solo artist with "Rewind" that is currently in promotion.

The Super Junior's maknae (youngest member) has been teasing fans for his debut with a series of fall-inspired photos, as well audio and video teasers.

While "At Gwanghwamun" remains on top of major music charts, its MV was also released on the 14^th. The simple yet emotional music video featured Kyuhyun's label mate Irene of Red Velvet.

Other than his fans, Kyuhyun's hyungs (older brothers) in Super Junior have also showed their support for his debut. Siwon, in particular, teased fans with an Instagram photo of him proudly smiling at their maknae, who is holding an autographed CD for his hyung. The photo was captioned, "You're jealous right? I've received a signed CD from Kyuhyun oppa^^ #AtGwanghwamun."

Siwon also watched Kyuhyun's pre-recording at KBS2' "Music Bank" and even went on cheering for him together with the fans, Daily Kpop News reports.

While this is the idol's solo debut as a singer, fans already know his skills as a balladeer. Kyuhyun is part of SuJu's vocal lineup and he is also a member of the megagroup's ballad subgroup, Super Junior K.R.Y.

Other than KBS' "Music Bank," fans can also catch Kyuhyun's performances on MBC's "Music Core" and SBS's "Inkigayo" starting November 14.