In a kingdom called Lily Kingdom, a man named Rui Kamishiro is working as a butler for the king. The King's name is Tsukasa. Despite Tsukasa being the king, he is still young, he is 22 years old. His father died a year ago so he had no choice but to take the responsibility for it. Now, Rui have been working as a butler in that castle for a very long time. There's one thing that people don't know, Rui and Tsukasa were dating secretly, away from peaking eyes. They have been dating for months