 Upon her father's death, she became head (Oyabun) of the Yakuza crime family Clan Yashida.Mariko happily became Logan's fiancée, but their wedding was halted by the supervillain Mastermind who used a mind control device to change Mariko's mind.When the control was lifted, Wolverine and Mariko resumed their romantic relationship after a period of separation, but have not reconsidered marriage.