On the 22nd of October, fans of the Korean boyband member, B1A4 Sandeul hyped up after the announcement that the singer will be going to sing the fifth OST of one of the hottest Korean dramas, "The tale of Nokdu," starring Jang Dong Yoon and Kim So Hyun.

The recent episode of the drama was intense, as the role of Kang Tae Oh, already found out that Nokdu (Jang Dong Yoon), in reality, is a man who is pretending as a widow. On last week's episode of the drama, the two shared a kiss that leaves the viewers in shock and awe, creating a bromance between the two, but on this week's episode 11 and 12, the two male lead, shared intense scenes, as they fight to win dong Joo's heart, who is played by Kim So Hyun.

Meanwhile, episode 13-14 will be released tonight. The love triangle of the three main characters raises the anticipation of the audience as well as how will their romance blossoms between the mission they have to accomplish.

Viewers were curious if their past and revengeful hearts will serve as the wall to continue their growing fondness for each other, especially Nok Du and Dong Joo.

Meanwhile, B1A4 Sandeul will be accompanying the intense scenes for the upcoming episodes through his majestic voice. The working title of the song will be, "Revolving in Me" which will have a medium tempo, a song that will speak to express the feelings of the characters who were worried because of love, without them knowing. It is a song that talks about the story of the anxiousness of a person who already falls in love with unconsciously.

Furthermore, the song will have the accompaniment of a guitar that will help for the singer's voice to stand out. Sandeul worked with the musical director of the OST in the drama, "Descendants of the Sun."

Fans of the singers and viewers of the drama were excited to hear the Official Soundtrack, for Sandeul is popularly known for his voice, who also debuted in the group as the main vocalist in 2011. In 2016, he had his solo debut and was able to appear in the popular music show, "King of Mask Singer," where he won a runner up title, and through this show, people were able to recognize his singing ability more.

"Revolving in Me" (working title) will be released on this day, during the Episode 13 and 14 of "Tale of Nokdu," which will be broadcasted through KBS2 at 22:00 KST. The song is also expected to be released on the official music outlets.