One day, Rinrei also known as the Dragon takes on a mission from three sisters who live in the old estate down the road. Their mission is to act as the bodyguard of the sisters as they take ... Read allOne day, Rinrei also known as the Dragon takes on a mission from three sisters who live in the old estate down the road. Their mission is to act as the bodyguard of the sisters as they take their ill father to the doctors. The reward is vast.One day, Rinrei also known as the Dragon takes on a mission from three sisters who live in the old estate down the road. Their mission is to act as the bodyguard of the sisters as they take their ill father to the doctors. The reward is vast.