He might still be hiding stuff. he probably didn't lie and told the truth about the theater time, but it's possible that he has suspicions or thoughts that he kept to himself. maybe he talked to Ai over the phone and heard something. saying that Ai was involved in the theater is possibly industry knowledge so he doesn't mind sharing it, but if he and Ai talked in private outside of work, then that's much more sensitive information, and he'd only share it with someone he trusts and for business advantage.

edit:
Aqua's type:
- hot/cute
- hiding a sharp tongue / vicious personality
- failed at least once and got back up.


this covers Kana, Mem, but also Akane and Ruby.