I Worked Myself to Death and Reincarnated as the Queen of His Majesty, Who is Younger than Me!Tensei Shitara 15-sai no Ouhi deshita: Moto Shachiku no Watashi ga, Toshishita no Kokuou-heika ni Semararete Imasu!?; 転生したら１５歳の王妃でした　～元社畜の私が、年下の国王陛下に迫られています！？～; Reincarnated as a 15-Year-Old Queen: I’m an Ex-office Worker, but the Young King Is Interested in Me?!; I Worked Myself to Death and Reincarnated as the Queen of His Majesty, Who Is Younger than Me!; I Reincarnated and Became a 15-Year-Old Queen: I’m an Ex-Office Worker, and His Majesty the King Who’s Younger Than Me Is Approaching Me?!; เกิดใหม่ทั้งทีก็เป็นราชินีวัย15แล้วค่ะ; เกิดใหม่ทั้งทีก็เป็นราชินีวัย15แล้วค่ะ อดีตทาสบริษัทอย่างฉันกำลังถูกราชาเด็กกว่ารุกอยู่เหรอคะ!?; 전생했더니 15살의 왕비였습니다; 转生成了15岁的王妃; 转生成了15岁的王妃～原本是社畜的我、被年下的国王陛下逼迫了！？~