In the Royal Affair series: 1. Koori no Fugou to Muku na Oujo (A Royal World Apart) 2. Ainaki Ouji no Konyakusha (At His Majesty's Request) 3. Houtou Ouji to Shuudoujo (Pretender to the Throne)

Royal Affair was published digitally in English as The Call of Duty by Harlequin/SB Creative Corp. from December 8, 2018 to April 9, 2019.