...they produced another hybrid?

Could be another alternative route. Looks like Marisa is pregnant in the first two panels too.

/TL request/

did she chew on the child or did she just drown it in saliva? lol

ooh
Reimu tries to protect the "family's idol" by hiding her in her mouth and Marisa thinks to herself something along the lines of "we didn't expose the secret -ze"
but then Reimu drools the child out because of the pudding.

lolol

Description: Alternate route to the crispy brown yukkuri

Marisa: "Yu? It's here!"
Reimu: "Reimu will protect the idol of the house!!"

Marisa: "Mister didn't find out, ze! *sparkle*"
Reimu: "..."
Today's menu: super big pudding: (super big portions)

Marisa: "UWAAAAA!"
Reimu: ":3~~~~"

oops, "family's idol" like aozf said.... that's what I get for watching house while translating...

とろとろふんわり is "sticky and puffy"

^ oh i see. Thanks for the enlightenment!

Fail again! =.=