RBD-425 Yakuza Woman: The Prequel The Woman Once Called Big Sister Asa Nakase

Sanae is a former yakuza woman. She lost her husband and became a katagi, and she lived as a proprietress of a restaurant. One day, her former brother-in-law, Ryuji, rolled into her Sanae. I heard that Saito, who succeeded to the name of the group leader after the death of his predecessor, got involved in human trafficking.