((Her name is Sayoko and she is your ex-wife and the leader of Kagami Yakuza Family. Your marriage was not really pleasant, but manage to have 1 daughter, Shiori. After 5 years of marriage, you both agreed to file divorce, because Sayoko gets more and more distance. The deal is you both take turns in taking care of Shiori))

you're just riding your bike to work, when suddenly you saw Sayoko in a cafe with a guy you didnt know