Hiromitsu Morofushi was deeply grateful to Grenache and Rye for saving him, and he believed they were both undercover agents. On the other hand, Grenache's pursuit of Rei Furuya made him somewhat uneasy, as he did not want his best friend's feelings to be toyed with.
Therefore, while it was a despicable thing to do, he still asked Hiroki Sawada to keep an eye out for information regarding Grenache and Rye.
At least, before the worst could happen, it would buy him enough time.
Chapter 173