It's Manuela's birthday her son Evro and her daughter Legiana are both in a pumpkin shaped cake.
Manuela eats the pumpkin shaped cake together with her children Evro and Legiana curl up together and sleep together inside their mother's belly.
Levi then give her a kiss on the cheek saying happy birthday, and get also eaten by her. In her belly he watch their sleeping kids
On the final panel she sits poking her bellybutton and burping.

Comic can be read here: https://sta.sh/01zw9a17s865

A request for dravenriecon