Summary: Conan wakes up with an intense pain in his gut and things spiral out of control from there.
Warning: This chapter contains messing. It doesn't get too detailed but if you don't like that kind of thing skip this chapter, I'll be sure to put a summary in the next chapter.
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Conan woke to a sharp pain coming from his abdomen. His first instinct was to bend over and grab his gut but that seemed to only exacerbate the pain. It was a side effect of the aging drug Haibara and The Professor gave to him, all he could do was lay still. It didn't make the pain go away completely but it didn't exacerbate it. He became alarmed when he also started to be aware of a lesser pain shooting out from his core and into his limbs. He was anxious to start the day so he could take some of the pain pills The Professor had given Ran.
Conan's attention moved away from the pain for a second as he remembered the diaper hugging his waist. He moved a hand down his pants to feel it and found that, as he feared, it was wet. He moved his hand down below his bottom to feel the bed and was set to some ease by finding he hadn't leaked during the night. After waking up wet the last two nights he was grateful to at least have dry bedding.
With that out of the way the pain came back to remind Conan why he needed to get up. Raising to a sitting position still hurt too much so he pulled off his blankets and rolled over onto his stomach, which was far from a painless maneuver. He then raised himself to his hands and knees but as he began to get upright the pain shot through into his back, causing him to fall forward back onto his pillow.
'"Damn," Conan said into the pillow before getting back onto his hands. He considered his options: he could lay back down and wait for Ran but that would just prolong his pain. He could cry out for Ran but it was a big house so he'd have to yell loudly, which might worry her. He also considered that if Ran found him like this she'd want to change him first and he wanted something to numb him before that happened again. The third option was humiliating in his current attire but Conan feared he may have to use it anyway: crawl to the kitchen and try and find Ran.
Conan felt the pain in his arms increasing by the second and the pain in his gut not getting any more tolerable. He decided to go for it, looks be damned. He crawled off his futon and to the door, pushing it open. "Ran?" he called out gently down the hall toward her room. No answer. He started crawling down the hall and toward the kitchen.
Conan made his way down the hall slowly. No one was around to see but he still felt humiliated, crawling on his hands and knees like a baby. He took some solace in the fact Ran had agreed to put pants on him the night before, at least.
Every inch he crawled he felt the full range of the diaper resting on his butt and sagging between his thighs. The accident he'd had while getting water last night hardly compared to how wet his diaper was now. The wetness then was mostly in the front and only really bothered him when he walked. Now, though, it felt like he was wearing a swimming pool around his hips.
As Conan made his way down the stairs he felt a sharper pain in his gut. He stopped to hold his side until it subdued, then redoubled his efforts to find Ran. He quickly made his way off the stairs, the crinkling that had followed him last night now being replaced with a rustling noise because of the saturated state of his diaper. When he opened the door he heard the TV playing some cheap romantic comedy.
"Conan?" Ran called out, standing up to face him. She was confused for a second until she looked a little further down to see him on the ground. He was waving at her with one hand and he had a smile that said "don't worry."
"What are you doing down there?" she asked, still concerned and making her way towards him.
"The pain in my stomach, I couldn't get up," he said as matter of factly as he could to soothe her.
"Oh poor you!" Ran said, grabbing him by his armpits and putting him upright. Conan grimaced and grabbed his gut as she set him down.
"Sorry," Ran said. "I'll go make breakfast, er, lunch then you can take your medicine. The Professor said it would help with the pain," she said.
Ran let Conan lead the way to the kitchen, watching him as he waddled and noting just how large the bulge from his diaper was. Conan made his way to the table, again aware of the pain coming from his legs. He fell onto a chair and a second later felt another sharp pain from his stomach.
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Not much later Ran came back to the table with omurice; she'd drawn a little bunny on the top using ketchup. She sat down with Conan while he ate.
"So how'd you sleep?" she asked.
"Good," Conan said, covering his full mouth with his hand.
"I'll bet, you slept nearly 12 hours. Did you wake up at all after getting your drink last night?" she asked.
Conan blushed. "No," he said, knowing Ran would correctly assume he'd had another accident. "Sorry again about last night," he said.
"Don't be," Ran said. "I'm glad to take care of you until you feel better."
Conan kept eating but felt another intense pain from his gut. He moved his hand to his stomach while Ran watched, concerned. This time it didn't go away as fast, it felt different. That's when he realized: the gut pain he was having anyway was masking his need for a toilet. This time the sudden urgency wasn't coming from his bladder, though, it was coming from his stomach.
He jumped off the chair.
"What's wrong?" Ran asked, standing up herself.
"Bathroom," Conan said through grit teeth, holding his stomach.
He hustled from the living room and into the bathroom, Ran trailing a bit behind him in case he needed help. He locked the bathroom door and bent over to pull down his pajama pants, stopping before he'd even gotten his waistband past his shirt. He shot up in pain then felt a push coming from down below. He threw his hands behind him and pressed on his buttcheeks, holding them together. Between the pain and the fear he was about to poop his pants, tears welled up in his eyes.
"Ran!" Conan yelled, desperate for help.
Ran, who was hovering not far from the door, came over and tried to open it. "It's locked," she said from the other side.
Conan painfully waddled to the door and unlocked it. As his hand unlocked the door he felt the pressure it had been holding back try and come back out. Ran opened the door to see Conan was bouncing on the balls of his feet, holding his rear with both hands.
"I can't pull down my pants!" he whined.
"Let me help," she said, bending down. She went to pull down his pajamas but found he was pressing too hard on his back side. Knowing Conan was in a rush, she pulled both of his hands off then immediately lowered his pajama bottoms, revealing his soaking wet diaper. Ran went to undo the tapes.
Conan wasn't expecting the sudden change in pressure, however, and when he felt his hands being pulled back he felt another sharp pain from his stomach. He tried to hold off for a second but as the pain kept getting more intense he instinctively moved to put his forearms over his stomach, causing him to bend over slightly.
The pressure this slight pain caused Conan was too much. His eyes popped wide open as his body seemed to instinctively push as hard as it could. There was no sound, Conan could just feel the weight exit his stomach and go out his bottom. The mess pushed against the back of his diaper and smooshed against his buttocks.
Ran saw the slight bulge from behind Conan and took her hands off him, not wanting to undo the diaper until he was done. She stood up and looked at Conan, who was wearing a shocked expression behind his tearful eyes. She turned her head away to give him privacy.
As Conan felt the last load come out from behind him he noticed he was peeing himself as well. He made no effort to stop it, not that he was sure he could. Conan's body stopped pushing from both ends only when it was sure it had evacuated everything it was holding.
As he was enjoying a second of bliss from realizing the worst of the pain had subsided he began to notice his knees were shaking and feeling weak. He looked up to see Ran looking intently away at the wall. A deep sense of regret overcame him as he considered what would happen now.
"Ran," he said, moving to take a step toward her. As he lifted his leg he found his other leg too weak to compensate. Conan fell backwards onto his butt, the fresh mess he'd just made squishing itself all over his bottom.
"Conan!" Ran exclaimed, facing the child again and leaning down to help.
The fall hadn't hurt Conan much, he had plenty of padding down there after all. But he could definitely feel the mess squish even more all over his bottom. He felt the pain come back into his gut as well. He saw Ran, leaning down and looking at him with such pity and concern. He put his hands over his eyes to try and block everything out and keep from crying. Then he smelt it, the scent coming from his own body.
That's when he snapped. Conan started crying hysterically, his hands on his eyes trying, futility, to wipe away the tears. Ran tried to calm him by reassuring him it was just an accident but to no avail, he hardly seemed to be listening as his wailing overpowered her soft voice.
A good minute passed while Ran waited for the child to tire himself out. Conan wanted to stop crying, he wanted to get up and get changed or ask Ran politely to help him clean up, but all his body seemed to want to do is act on pure impulse and cry and wail.
Ran noticed a smell had begun to fill the room. She couldn't wait with Conan like this and she didn't want to just let him sit there and be miserable. Selfishly, his hysterical crying was starting to give her a headache. Ran bent over and picked the child up, his small body pressed against her bosom and his head right above her shoulder.
Being this close to Ran and having the assurance that she was going to fix this situation, with or without his help, relaxed Conan. As Ran left the bathroom his crying got quieter and he rested his face on her shoulder. He breathed in the scent of his girlfriend and found that that put him at more ease still. He got lost in her embrace and when he next looked up they were already on the next floor and heading into the family bathroom.
She set Conan down, back on his own two feet. When he left her grasp he immediately felt the wave of negative emotions coming back to cloud his mind. Conan knew he had to take some small action before he lost himself again. "Ran, I need the me - medicine," he said, his voice cutting out as he choked back tears.
Ran was at the bathtub adjusting the shower temperature when she heard him finally speak again. "Oh man, I totally forgot! Wait here, I'll be right back," she said before running out of the room.
Conan breathed a sigh of relief. He could maybe manage his emotions more if he wasn't in such constant pain. He kept trying to breath deeply to keep himself centered but the smell from his diaper had begun to fill the room. The embarrassment sent him into another small crying fit, worsened by the feeling of the uncomfortably full back end of his diaper.
Ran came back into the room, carrying a small can of juice and the pill, only to find Conan still standing where she set him, crying and sniffling to himself. She opened the juice and handed it to Conan. "Here," she said, "the pill looked a bit big so I got you something to wash it down with."
Conan took the juice and then Ran gave him the pill. Before he swallowed it he examined it; it looked a lot like the other medicine The Professor had given him. Conan reasoned that while Haibara was a master biochemist who could make pills in whichever shape she chose, The Professor was merely working under her instruction. It seems he only knew how to make one kind of pill. He swallowed it, taking most of the can of juice to push it down.
"That should help with the pain in a few minutes," Ran said. "Now let's get you cleaned up."
Ran began removing the child's clothes. The process went about the same as other times. Conan was still crying but by now he was accustomed to Ran helping him in this way. After she carefully removed his diaper and threw it away she picked up Conan and sat him on top of the toilet, activating the bidet for him to clean off any hanging bits.
After that she rolled up her sleeves and put the naked Conan in the shower. Conan had calmed down a bit, the mess in his pants was no longer sticking to his body and the painkiller was starting to numb the discomfort in his extremities. He basked in the hot water as it rinsed off his shame. He jumped suddenly as he felt something press on his butt.
It was Ran, she was using a washcloth to thoroughly clean his backside. Conan's face flushed and he said, flustered, "Th-thanks, but I can clean myself." He reached behind him to grab the washcloth away from Ran but found it made him bend in the perfectly wrong way. He doubled over in pain.
"Easy Conan, it's okay. I'll be done quick," she said. She bathed Conan before when they were both at onsens, though he never seemed comfortable with it. She didn't see it as such a stretch to bath him while she was fully clothed but for Conan it was immensely more embarrassing than usual.
She finished up and dried him off. She wrapped a towel around his waist before leading him back to his room. "What do you want to wear today?" she asked, trying to give the boy some amount of agency in everything that was happening to him.
Conan was still much too mortified and melancholic to want anything more than this to be over. He reached into his dresser and pulled out the first shorts, shirt, and underwear he could put his hands on. When he turned back to face Ran he saw she was at his closet getting a pull-up. He sighed and put his underwear back in the drawer.
Ran took his clothes and began dressing him. "So I talked to dad, he should be back tonight," she said while putting on his pull-up, trying to use conversation as a means to comfort Conan. Conan gulped, he hadn't considered how Mouri would react to his. Surely he'd never hear the end of it.
"As for this afternoon," Ran continued, "I just want you to rest. Professor Agasa said he didn't need to see you until tomorrow so we'll just have a relaxing day. If you feel like you might want to take a nap let me know and I can get you dressed for it."
Conan nodded to show he understood. The only "dressing" he'd require for a nap was being diapered. He decided he'd try anything to stay awake instead.
Ran finished up and said, "There, all better. Let me warm up your breakfast again so you can finish eating."
"Thanks," Conan said. He added, bashfully, "Ran? Can we not tell anyone about what just happened?"
"Of course," she said.
"Not even The Professor?"
"This stays between you and me."
"Thanks," Conan said, feeling slightly back to normal. He was glad to be out of that diaper and back into his pull-up, which he felt was hardly noticeable in comparison. He was also glad Ran agreed to secrecy, he may have lost all of her respect, but to her he was just a kid. He couldn't let The Professor or Haibara know about his accident, they knew he was supposed to be a teenager.
Conan made his way downstairs. Slightly numb from the painkiller and clean from the shower, he was ready to start his relaxing day at home.