Shinji Ikari casually pooped himself as Kaworu pushed his wheelchair along.

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"Hmm hmm," hummed the former pilot of Unit-01, his fat body sloshing as he adjusted his seat. "I do like this, sometimes, Kaworu-san. A nice, easy dump. Just a bit of a slow poo poo." He stroked his enormous sloping gut. "Sometimes my guts just explode! It can feel like a relief, but it can also be a little uncomfortable."

"Your bowels are a marvelous machine, Shinji-kun," said Kaworu, patting the soft shoulder of his fat pet. "Sometimes their operations even surprise me."

Shinji currently clocked in at 405 kilograms. He was a resplendent mountain of fat, an oozing puddle of blubber. He had a massive belly that jutted out in front of him, upon which rested his enormous fatty breasts with their plump nipples. His hips were very wide, and his thighs were huge, twice as big around as the waistline of the old, skinny, inferior Shinji. The thighs and hips led back to his mammoth ass, two meters wide and made of absolutely gargantuan buttocks. Shinji Ikari had a whole lot of butt. Kaworu had upgraded his bed in their apartment to a double king size, just to ensure that the width of Shinji Ikari could be completely accommodated.

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Shinji was wearing a beautiful, huge muumuu, a big dress for big people. It was green with white flowers on it. His makeup was white as well: he wore white lipstick, white eye shadow, and white blush painted onto his porcine cheeks. Kaworu had painted his fingernails white as well, this morning, at Shinji's request. Shinji was carrying a white purse from Prada, and had large white women's shoes on his fat feet. He looked like a fat woman, especially given the size of his lower half.

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He was also wearing an enormous diaper, beneath the billowing muumuu's fabric. And into this diaper, he was currently easily, lazily depositing turds. Soft, wet flows of disgusting yellow-brown feces plopped out of his asshole into the expanse of the diaper, staining his cellulite-clad butt cheeks with their putrid wetness. Shinji Ikari loved gay sex. He had loved it for years, and years of sodomy had rendered him totally unable to control his bowels and sphincter. Shinji had the loosest, most stretched anus you could imagine; it was easily possible for a grown adult to stick their arm through his asshole. As a result, when Shinji's vast body produced feces, they simply came out of him, with nothing he could do to stop it. And the big, fat boy produced a lot of poop throughout the day, a result of both the nature and the volume of his diet. Indeed, Kaworu sometimes subtly modified what Shinji ate throughout the day, just to ensure that his fine, fat, poopy pet would continue to produce the hefty dumps that the Angel loved.

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"Ahh," sighed Shinji, smiling contentedly. He had become extremely happy with his state in life, including his incontinence. Kaworu loved it; it was one more thing about him that Kaworu loved, and if Kaworu loved it, Shinji loved it too, because Kaworu was the most important thing in the world to him. Beyond that, he felt a certain haughty satisfaction at releasing his bowel movements into the world. He gazed around at all the people, walking around them, and he smiled impishly. All these people, when they had to use the toilet, they had to scramble for a bathroom and hope it wasn't occupied. But Shinji? He could poop whenever and wherever he wanted. It made him feel powerful. It made him feel special.

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"Hoo, that one was chunky," mumbled Shinji, fanning his fat face with a fat hand. He had filled up a diaper this morning while lounging around their apartment. This was his second diaper of the day, and he was loading it up as he usually did. Generally Shinji went through three diapers a day. This would sometimes become four diapers if he'd had a particularly huge amount of meat the day before. A week ago Shinji had consumed an enormous amount of barbecue, and the next day he'd gone through two diapers before they had even left the house.

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They pulled up next to a man in a suit at a crosswalk. The man took a sniff, and made a strange face. Then he gazed down, at the huge, feminine fat boy in his wheelchair. Shinji smiled with his lipstick-clad lips, and waved a fat hand at him. "Oh, don't mind me," he said. "I'm just taking a poo poo!"

The man looked perturbed and disgusted, and when the crosswalk light changed he mercifully walked very fast across the street, away from them.

Shinji chuckled. "I feel sorry for these people, Kaworu-san," he tenderly stroked his massive belly. "They don't get to enjoy life as much as I do."

"Of course they do not, my pet," said Kaworu. "After all, they do not have me around, to make their lives perfect."

Shinji blushed. "You're my perfect prince, Kaworu-san."

"And, you, Shinji-kun, are my perfect, poopy princess."

They crossed the crosswalk. Kaworu stopped. He bent over Shinji's shoulder. The fat boy turned his fat head to see his red-eyed caretaker, and he giggled in delight as Kaworu softly kissed his lips.

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And as Shinji was kissed, he pooped.