Yami no Darius, Hikari no Xander  

The Yami no Darius, Hikari no Xander collection contains two stories: 1. Ai ni Musebu Hakuchou (Redemption of Darius Sterne), and 2. Cinderella no Kenshin (Taming of Xander Sterne).

Yami no Darius, Hikari no Xander was published digitally in English as The Twin Tycoons by Harlequin/SB Creative Corp. from September 17 to December 2, 2018.