[Machine Translation] A medical practitioner is the lord of his own castle. Satoshi Jounouchi, who has literally become the "Lord of the Castle," has an important partner in both his private and public life, a "princess" - Ren Himemiya, also a doctor and co-owner of the company. Their first encounter was about a year ago. With the person you love, both your work and private life will be the best. A superlative doctor's love story about a castle lord who is the strongest but wants to be pampered and a princess who looks sweet but has a cool demeanor.