I think it would have been great for the second story if Edo returned and it would have turned into a 3P relationship ... but thats just me ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄
There really wasn't any space for Edo. It was just sex for them with Edo. Even if he returned, he'd still feel like the awkward third wheel.
I think it would have been great for the second story if Edo returned and it would have turned into a 3P relationship ... but thats just me ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄