Using

"Why?" Tomoe asked back. She didn't want to simply abandon the ship without telling anyone. Her girls should at least know she will be gone.

However, Rean had a valid reason to prevent that. "If you go out there and say you are leaving, you will generate unnecessary chaos in your own sect before the big moment. Instead, it would be better you you prepared the girls for the worst."

He continued. "For example, just tell them that you found some information about a great opportunity for you. However, because you will be gone for a long time, the girls in the sect should prepare themselves for the worse, and if you are not back, someone else will be in charge. After all, the sect master, who is also the strongest member of the Gozen Sect, will be absent."