In the Montanari-ke no Kekkon series: 1. Italia Daifugou to Chiisana Inochi (The Billionaire's Baby Swap) 2. Italia Daifugou to Hikage no Imouto (The Billionaire Who Saw Her Beauty)

Montanari-ke no Kekkon was published digitally in English as The Montanari Marriages by Harlequin/SB Creative Corp. from April 1, 2019 to May 24, 2019.