Nooo! It can't end like this! Flan can't die just so some asshole home invading Marisa can boast about 'Great Marisa has even beaten Flan!' somewhere down the road! T_T
Hopefully they will just try to make it their slave. A flan slave would be useful to common yukkuri, and they don't seem to be smart enough to pick up on the fact that she's a pet.