Mike's strategy was to start on the outermost parts of Lila's asscrack, and slowly work towards the center in circles. The bits on the edge of Lila's ass were smaller and drier, and so Mike thought they would be easier to deal with at first. He hadn't anticipated how hard they would be to lick off her crack. He had to apply a lot of pressure on his tongue to get the shit off her ass and into his mouth. One piece was particularly stubborn. He tried tonguing it from all angles, but it wouldn't budge.
"Alright buddy, time to move on, plenty more ass to go" said Lila, annoyed at how long he was spending on this one spot.
"But Lila," Mike started, "it's still dirty there."
"Do you need me to teach you how to lick shit off my ass?" said Lila, her back still turned to Mike. "Use your teath, idiot. Scrape it off, swallow it and move on."
Lila felt Mike nibble on her ass. It felt nice. "Did it work?" she asked. Mike mumbled an "mhm" from behind her. She turned her head around and said, "Show me! Stick your tongue out." Mike complied. Lila herself was shocked at the size of her shit clump, which caused her to scrunch her nose. "Eww, that's so nasty!" she exclaimed, "Swallow it!" Mike tried, but this one was too much for him to handle, and his body rejected his first and second attempt to swallow it. The third time, Mike exaggerated the motion, like he was swallowing a large medicinal tablet, and he felt the shit go down his throat and into his stomach. He felt queasy.
Reaching her hand back, Lila grabbed Mike by the hair and shoved his face into her ass. She adjusted her bum and yanked his head around until she felt his nose pressed up against her hole. Lila decided she was done being nice to Mike and that she was going to start punishing him for his fuck ups, like asking her how to clean her ass. "This is what you get for being stupid," she said, and she let out a big, hot, airy fart right up Mike's nose. Mike thought about pulling away, but the whole reason he was scraping shit off Lila's ass with his teeth was because he tried to pull away from one of her farts. "Three big sniffs and I'll consider letting you go," she sounded angry. Mike tried taking a deep sniff and it launched him into a coughing fit into Lila's ass. She kept his nose right on her butthole. "If only you were a better shitlicker, you could have avoided this," she said, as a matter of fact. This was by far Lila's worst fart yet. It felt so thick that it clogged his sinuses, but somehow Mike found enough strength within him to take one big sniff. And then two more. Lila let go of Mike's hair. "Hurry up and finish the rest" she said. Mike continued his task.
After that particularly nasty lump, Mike tried his best to come up with a subtle plan to avoid swallowing any more of Lila's shit. His best idea was to spit it out when she was not looking and then shove her poo bits under the bed. But he was too afraid of Lila catching him in the act. Who knew how upset she would be and what she would do to him. Mike decided that swallowing was the better of the two options. He could always just leave. But he knew there was a reason he was cleaning Lila's ass with his tongue, though he forgot what it was.
Soon, he was at her asshole, which he anticipated needed only a couple of hard licks, as his earlier tonguing probably softened up the specs of shit there. He had hoped that by the time he got to her asshole, he would have gotten more used to the taste. Turns out, it is difficult to adjust to the taste of shit that quickly. He decided that the best way to do this would be to flatten his tongue and lick her entire hole at once. Then maybe he could be done in only a hand full of licks. He stuck his tongue out and began to lick. In perfect synchronization, as soon as Mike's tongue reached the center of Lila's asshole, Lila pushed out a quick, squeaky fart for Mike to taste.
Mike recoiled, "Hey! What was that for?" Mike thought she was punishing him again, but he wasn't sure what he did wrong this time.
"That was just a cute little kissy fart. To thank you for your hard work. Like a little peck on the lips" Lila said sweetly.
Mike liked the sound of that more than the way it tasted. He put his tongue back out again to lick and Lila did the same thing: She farted right on his tongue as he was licking her hole. Mike tried to think of it as her kissing him, but he couldn't get over the fact that, in reality, it was her farting on his tongue. He stopped licking.
"What? Are you all done cleaning my asshole?" asked Lila, looking back at Mike. Mike looked at Lila's asshole and saw that, somehow, there were still shit stains around her pucker. He considered lying to Lila and saying he was done. Instead, Mike shook his head, indicating no. "Well, then keep going" she said, biting her bottom lip like she was trying to contain her laughter. Mike knew she was going to fart on his tongue again. He figured that her farts were short since she was rationing them out. He thought about the fact that his friend had specifically held in her fart just so she could release it, multiple times, on his tongue. It hurt to think about, so instead of dwelling on it, he just gave Lila what she wanted.
He leaned forward and began licking her ass. When his tongue had reached her hole, he held it there for her. As predicted, he felt her anus flex, and knew that Lila was indeed trying to let out the third of her farts on his tongue. Mike asked himself, "Does she even respect me?" as he felt Lila's shitter flex several more times, with nothing coming out. He thought that maybe he should take that as an opportunity to move his tongue away from the danger zone, namely, Lila's fart cannon. But then Lila wouldn't be getting what she wanted and that seemed like enough of a reason for Mike to not move his tongue.