I'm not interested in direct support anyway. I've come far too close to being bitten in the past.

[Meaning that he was most definitely not looking to join Constellation. That was too close for comfort, and he wasn't really interested in subterfuge. He was a thief, he snuck in when nobody was looking and preferred to leave before anyone noticed.]

I still have an interest, though, and I may have a fresh perspective if you dibs yourself needing one.

[He certainly isn't going to tell Adachi outright what he could do, but Akira was chomping at the bit to steal the heart of a man described as 'Shido, but stronger'.]