しあわせなお姫様のはなし（正確には、「大好きな王子様と結婚してしあわせだったのに、他の男に寝取られたかわいそうなお姫さまのおはなし」です） (Associated Names)

Princess Felicia, who married Prince Alan, whom she loves very much. They were leading a happy newlywed life, but the prince had to go to the battlefield. On the night he tearfully left, promising to return soon, someone sneaked into Felicia’s bedroom. The man who violated the bound and helpless Felicia—his true identity was… The…