The Day I Was Born Into a Ducal House, I Was Branded as a Disqualified Heir, but I’m Still Living Well to This Day!Koushaku-ke ni Umarete Shonichi ni Atotsugi Shikkaku no Rakuin wo Osaremashitaga Kyou mo Genki ni Ikitemasu!; 公爵家に生まれて初日に跡継ぎ失格の烙印を押されましたが今日も元気に生きてます！; Koushaku-ke ni Umarete Shonichi ni Atotsugi Shikkaku no Rakuin o Osaremashitaga Kyou mo Genki ni Ikitemasu!; The Day I was Born Into a Ducal House, I was Branded as a Disqualified Heir, but I'm Still Living Well to This Day!