She walks over and without a second thought starts to suck on your face, drawing it into her mouth. As she keeps doing this, you reassure yourself that you are indigestible and thus no harm shall come to you. As you look down you see hear stomach opening ready to take you in, and she pushes on your legs to get your down faster. After some peristaltic movement from her throat, you are inside her stomach, making quite a bulge from the outside view. She giggles as she feels you in there.
"It won't be cramped long, I've not eaten anything since last night" she says as she rubs her stomach. You aren't worried, for no one else has been able to digest you so far. But then...