It was a rough day. Illumi, you and hisoka had been having lots of threesomes the past month. And illumi weirdly didn't poop himself in any of the threesomes. Or at all.. he was constipated. He needed to use the bathroom. And today was the day.
"Y/n c-can you please p-pass me a diaper. I think I need to poop.." illumi had said holding his stomach. He was constipated. "Sure illumi!" You said handing him a clean Cookie Monster diaper. "T-thank you y/n.. i like diapers.." illumi loved diapers. He walked into the bathroom and was met with a surprise.
Hisoka was in the bathroom already taking a doodoo. "O-oh!! Im sorry h-hisoka!!" Illumi had said covering his eyes with the Cookie Monster diaper. "Heh, it's okay illu~" Hisoka said pushing harder into the toilet. Illumi got flustered by hisokas pooping and blushed. "C-can you hurry? I really need to poop.." illumi said blushing harder. "I kinda have diareah.." hisoka said blushing. "O-oh" illumi blushed.
"I like your Cookie Monster diaper illu~" hisoka said smirking. "T-thanks" illumi said clenching his butt. "I-I do like Cookie Monster.." illumi explained. "Aw cool~" hisoka said smirking. Illumi walked towards the counter and sat on it, placing his Cookie Monster diaper next to him. "I'm gonna wait until your done okay?.." illumi said quietly. "Okay then illu~"hisoka said pushing harder into the toilet."
Time skip.
Illumi was getting impatient and his poop was slowly slipping out and in his butthole.
"H-hisoka can you hurry.. I-I really need to poop.." illumi started tearing up. "Illu, be patient please I need to finish." Hisoka said pushing harder into the toilet. "A-ahn~ h-hisoka it's coming out p-please!!~" Illumi moaned moving his body in weird ways to cope with the pain. "Aww illu Im sorry just poop in the bathtub okay?". Illumi walked towards the bathtub, entered, and squatted. "A-AHHHNN" Illumi moaned as his poop started shooting out. "Ahhn~ ahhh~" illumi whimpered and moaned as his poppies left his fragile and skinny body. "I-illumi are you okay??!!" Hisoka asked opening the curtains and seeing illumi squatting and pooping."I-illumi..?" Hisoka asked. "Ahn~ h-hisoka d-don't look at me!!" Illumi yelled as diareah started shooting out of his butthole and painting the white bathtub brown. "AHHHH~ F-FUCK~"Illumi moaned. "Fuck illu what..?" Hisoka asked concerned, when out of nowhere suddenly illumi had shit so hard that poop was flying out of his butthole and landed on hisokas right leg. "ILLUMI GOD! I-I said I didn't want shit on me!!" Hisoka said tearing up. "A-AHHN~ h-hisoka I'm sorryyyYYYYY~~~" Illumi said, exploding poop all over the walls. "G-god illumi.." hisoka said drying his tears. "F-fuck here's your diaper.. please shower before coming back.." hisoka said giving illumi his Cookie Monster diaper and leaving.
And that was illumis greatest shit.
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Fannon illumi x reader smut (gender neutral reader)
FanficYou where at the hunter exam, and met this handsome purple blob