(Marvel) Laura Kinney, X-23, Needs to finger her ass when she's stressed

Laura Kinney, otherwise known as the fearsome X-23, was busy climbing through an air vent, looking into the disappearance of some mutants she'd been searching for for a month. She'd been scouting this facility for 5 hours and had almost been caught twice already. She was angry and annoyed and above all stressed.

Suddenly, she stopped, realizing that she wasn't going to be able to do this with so much stress, and for some reason she absolutely Needed to do something about it right now. Luckily, unlike most heroes, she knew what to do. She knew she had to be okay before she could save anyone, so getting rid of her stress was top priority.

Laying as flat as she could in the vent, she slowly wiggled her right hand behind her and slipped it in-between her fat bubble butt and tight leather costume, rubbing circles around her tight asshole. Her healing factor made it impossible for her ass to get used to getting stretched, since it would heal back to its original tightness. Adding pressure, she pressed her middle finger in, slowly filling her ass.

Eventually, her stress eased a bit and she focused back on her mission, though she couldn't entirely shake the feeling of anxiety. Every few minutes she'd encounter a tight turn that spiked her concerns, and she would have to pause for a moment to play with her ass again before continuing on. She worried a little that her quarry would hear her whimpering, which made her Need to add another finger before she got her noises under control.