This one's a lot simpler than the last. Fukumi is uncharacteristically even more pissed than usual with Azami for "taking medicine without permission and causing trouble for others", and starts filling her with copious amounts of semen diluted with an elasticizing agent. She's likely to get pregnant for real, which both panics and excites her. Page 6: "Your belly is so full and bloated with semen♥ I'm gonna fill it up with lots of your eggs so you can get pregnant again and again."
Page 7, injected with an extra-powerful ovulation inducer. Feels it taking effect, and immediately notices that the baby is a lot bigger than it should be. Page 8: "Your baby is doing well. It seems your eggs are a good match. How is it...? A real baby's movements. So energetic. It's sperm from a lively stallion, so it'll fertilize you plenty, and I've got lots of refills. Shall I put in a little more? Here." "A H-HORSE?!"
Page 9, she suddenly has an IV in her arm that wasn't there before, which is maybe another clue that something is amiss. Page 10, enters labor but the baby is still growing because the IV is a growth agent ("This is bad, this is bad, this is bad!!"), it gets stuck in the birth canal, various implications that her body is reaching its absolute limit, and final page: it was in fact a dream this time.