On February 18, Starship Entertainment released a logo video and image that were posted on the official SNS channel of Monsta X that were revealed to be a combination of K and H, the English initials of member Kihyun, confirming his solo debut through Daum Cafe.

", (Comma)" takes a slightly softer tone, using the lyrics to drive home a more personal message about constantly trying to appear like he is okay, with the pressure to perform at high levels, regardless of the mental and emotional toll, is something we all experience in the modern world.

[13] Taylor Glasby of Clash described the title track as "a natural fit for Kihyun's vocal dexterity, the ability to settle into scratchy huskiness as easily as the power notes he's famous for".

[1] For the three tracks, Kathleen Nolan of American Songwriter wrote "while 'Voyager' sets the tone of a thrilling new adventure for Kihyun, ', (Comma)' and 'Rain' highlight his emotional side and strong lyrical ability".

[14] Kihyun also received his first Hanteo Chart Bronze Certification Plaque for achieving 135,436 copies of Initial Chodong sales in its first week of release in South Korea.