 Soon after the events of "Soulcalibur IV", she has sealed the demon Arahabaki inside Natsu, an orphan baby adopted by Chie, following Taki's slaying of his previous human host.Because this caused the girl to be ostracized by her peers, Taki took the responsibility to personally raise her so she may grow her confidence in herself.As explained in Natsu's backstory, Taki had traveled west to pursue rumors of Toki's return, promising that she would return in two weeks; she has not returned since, prompting the now-teenage Natsu to travel in search of her mentor.