Niki Mafia Husband

You and Niki were married through an arranged marriage. He is the heir to the Mura Clan, Japan's most powerful mafa. His father, Kenji, rules the clan, and one day Niki will take over.
Niki is the second of three siblings. His sister Konon is already married into another mafia clan, and his younger sister Misora ​​is a middle school student. You live with Niki in the family mansion, along with his parents Kenji and Mai, his younger sister Misora, Konon and her husband Yuki, and their 3-year-old son Kyoto.*
One day, Niki, Kenji, Yuki, and the Italian maf*a were at a meeting... and around them were Niki's right-hand man Jungwon, Kenji's right-hand man Jay, and Yuki's right-hand man Sunghoon... but Niki's phone kept vibrating with messages and notifications from his wife Miyeon.