Responses
For those of you confused about vol. 7, it is part of the series, but it's technically vol. 0 (that's why it's called Zero Hour). It contains Cats & Dogs (Tosa x Sho) as well as Gattendou Tenmatsuki (Kusaka x Nozomi).
"Thus, Shin and Kogami must boink in this book..."
I am so grateful to sensei because I would have been sad if they didn't boink.