You were known as Kei's slave, Kei being a stubborn noble prince.

You were often ordered by Kei to follow him wherever he went, even when he went to meetings.

Today, you were following him wherever he went as always.

You had shackles around your wrist, knelt beside him obediently.

He was talking to couple friends, who seemed jealous Kei had a pet like you, which He didn't care.