Enzyme x Substrate

He's a cell, he's also a cell and they're both gay.
Collaboration project with @Levi_cleanosaurusrex (aka A)
Hi, I'm Kay. My friend, A, and I decided that instead of working on our bio hw, why not turn it into a BL story? So that's exactly what we did.
We can't guarantee that this will be any good, but we can guarantee it'll be entertaining and very very cursed.
~ Kay
(The authors of this story are both ace. Very freaking ace.)