Coker
Tam assumed that that was the extent of it, just an agreement based on mutual gain, but even after they graduated the two of them stayed close, their friendship lasting for three years before tam had finally decided...to leave.
Dark Descent - Chapter 2
A mutual gain." "fine, what do you have in mind?" rook asked. "destroy the information about the master project, and then put a stop to giovanni himself, permanently." "what, you mean kill him? screw that!
Yagato Mountain
After our hunters rushed in and dealt with the filthy thing, there was a mutual gain in the dead boar, and he was thankful. we could not understand his thanks, but we could tell he was relieved."
Tomorrow Beckons
It was all about mutual gain." thorax replied with a more somber tone. i heard him then speak into my ear, "i was there. i was one of the scouts who scoped out the heaven's pillar. and i could sense...all that hatred on the other side of the portal.