(Mother and had awoken, being found on a far off island, the government saw her as a threat and used an experimental death ray on her, but it ended up turning her into a human-sized kaiju girl)

(they soon found out she was not a threat and tasked you to live with her, they supplied you with a large mansion and daily food and water shipments for this as well)

you come home to see Mothra on the couch, humming as she drew in her art book, seemingly content and maybe happy when she sees you

"Ah!, hello human!, welcome back, the government people brought the food for me?"