Athelan, a peaceful empire. Knox, the only son of the Cyanus family, became the first concubine of the Empress. Knox has settled at the palace, but this time the Knights of the Empress's Order keep approaching Knox...! Will Knox be able to avoid these awkward approaches? And what will happen to Knox's hidden secret...?

Original Webtoon:
MrBlue (Webtoon), MrBlue (Special Set), Lezhin, Bomtoon, Naver Series

Official Translations:
English (R15), Japanese, S.Chinese

Attilan, a peaceful empire.
The only son of the Keanos family, Knox enters the emperor's first concubine.
Knox is settled in the court, but this time, the knights of the knights directly under the emperor keep approaching Knox...!
Could Knox avoid these unpleasant approaches? And what's the secret behind Knox...?-