"Hindsight" in terms of those pools means that something in the image later happened in the real world or was made canon after the fact. Real-Mutsu's turret exploded long before this comic was made. Unless I'm missing something else.
Ah.
Found a person in need right away!
If it's Hanetsuki you want, we can play with you!!
#002:New Year's Allowance
Can be read as "dropped bullets".Waaarghhh!?
This is a torpedo!!*CHOMP*It's going to explode!!!Grrrr.... nobody wants to play with me, poi.Really? Yippee!Then let's start!!WHACK