Montanari-ke no Kekkon  

1. "The Billionaire's Baby Swap" in the Montanari-ke no Kekkon series is about Italy Daifugou switching places with Chiisana Inochi. 2. "The Billionaire Who Saw Her Beauty" in the same series follows Italy Daifugou as he falls in love with Hikage no Imouto.

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.