Sweet and Dour Small Bargain - Definitive Edition chapter 5 by tfwnogiantgf and SuperKirby

It had taken some hard work, but Blake had done it! A spell to teleport himself right into his phone game --

and as a unit on the field, in the middle of Fire Emblem Heroes! He could see one unit approaching him from the distance... Tharja, with... a baton in her hand. "Another dark mage, I can feel it." He could see she was wearing a special cheerleader outfit - a purple top and pencil skirt over her dark tights, with a jacket fluttering behind her like a cape.

Her words were interrupted by a deep, resonant gurgling. Blake realized - when he'd left off playing, she was low on health...

"Ah! I know - I'll show off my powers and give you a healing item!"

Blake looked at his own tome, which had come in - and cast a transformation spell. He was soon a gummy ball, resting gently on her tome.

Tharja picked him up, intrigued, her somber features scanning him up and down... He tried to read her expression. "I know this is a lot at once, but on my world, there's spells where -"

A sway of her baton. "Goooo team." He felt his body changing, stretching out - becoming black licorice. Tharja smiled. "I prefer this type~ It almost stings a little, in the nicest way. And now..."

Her jaws snapped open before him, drooling - immediately catching onto the idea.

"Become one with me and land deep inside my bowels~ Fight, fight~"

A quick flick, and - darkness. Tharja evidently didn't mince words; though her teeth minced Blake quite finely. Scattered droplets of him rained down, and he was just barely hearing the echo of a few drips into stomach acid...

...Before awakening, finding himself surrounded by fleshy walls, gurgling, swirling... Around Tharja's abdomen!

She cheered half-heartedly. "Woooo. You made it." And then drifted a hand over, her stomach itself flushed red. "All mine... Haha..."