P3: Pink Argus Dere (Patreon)

Within his lair Minato Arisato sat on his throne enjoying the sight in front of him. Inside a circular playpen sat the prize he'd taken nearly a week ago: the Featherman, Pink Argus, also known as Yukari Takeba.

Inside her enclosure Yukari cooed, aiming a plastic bow with a little suction cup arrow at a tower of blocks. With a giggle through her pacifier, she released the arrow and knocked down the tower, much to the adult baby’s amusement. Minato—the villain who called himself “Daddy”—laughed at her bouncing playfulness, enjoying the new her. She’d gone from a powerful, bow-wielding heroine to a weak-willed baby so easily.

Her attitude now was actually almost a complete contradiction to the obstinate, downright hostile woman he’d taken into his care. He attributed such a successful change mostly to the strict regiment he'd used to break her down.

The former Pink Argus had spent her days in his care being moved here and there by his persona’s hand, placed in the playpen at the foot of his throne, onto her new highchair during feeding times, or inside her crib when it came time to go to bed.

She remained diapered all the time too, and was provided only the cutest selection of onesies, bonnets, bibs, and mittens to wear. Adult clothes were gradually fading into a distant memory for her.

Meals were calorie-dense and mostly provided through a bottle. However, every now and again Minato thought it appropriate to spoon-feed her some very bland mashed prunes, with nearly half the jar ending up on her bib and outfit.

The strict schedule, combined with the extended diaper training—which was really just being made to wear diapers all the time with no potty or bathroom available—broke Yukari’s rebellious spirit in the span of three days. It was too easy—suspiciously so.

She’d managed to hold off her urge to use her nappy for that whole time but was struggling by the end of the third day, given the amount of food provided to her.

While being lifted from the massive crib by the ghostly hands of a persona Yukari gasped right before his eyes and looked down. The way the hands were holding her lifted up the hem of her dress, perfectly exposing the front of her diaper for the spectacle of the spreading yellow stain that moved across the pink padding. The weight of her accident dragged down the crotch of the nappy, causing it to expand with all the acrid liquid Yukari poured into it.

Minato was impressed at the display and dropped his dominating act to reach out in wonder, placing his hand on the drooping crotch of the diaper. The heat of Yukari’s accident transferred through the plastic shell, giving him a sense of just how soaked and hot the interior of the nappy really was.

That accident was the key to making Yukari’s attitude do a 180 and she soon fell into a state of calm, accepting her place in “Daddy’s” nursery. Over the course of the next several days, she slipped more and more into the babyish mindset. Rather than talking she mostly babbled and cooed. Sitting and glaring at Minato on his throne was replaced by an exploration of the toys around her and eventually full-on playing. Any reluctance to use her diaper was removed after her first wetting as if the seal was broken by the accident in her pants.

He suspected her earlier outbursts had been a front, hiding her true wishes to be regressed and diapered by him behind a veil of harshness. She’d quickly grown warmer to him under his care.

As the heroic Pink Argus regressed into Big Baby Yukari, Minato waited. While he’d built his home to be harder to find, he hadn’t gone so far as to make it impossible. He secretly wanted to be found, to see if the other Feathermen would come and save their teammate.

The devious evildoer’s plan came to fruition just as he was ruminating on it, with the doors to his opulent, evil nursery/throne room being thrown open and a group of colorful masked heroes rushing in.

“We’ve come to face you, Daddy!” Red Hawk declared, pointing an accusatory finger at Minato.

The villain stifled a laugh, knowing his villain name was causing the poor Heroes to sound more childish than they actually were.

Behind him Blue Swan stepped forward. “And we’ve come to rescue Pink Argus from your nefarious clutches!” he shouted.

This made Minato laugh even harder, stepping down toward the playpen that filled the center of the area. It was placed perfectly between him and the group of heroes. “I can assure you Baby Yukari isn’t here against her will. She’s rather enjoying her time in my nursery.”

“You’re lying!” Yellow Owl yelled.

“I’m not, in fact, I can prove it. Yukari?”

Minato turned his attention to the pink-adorned brunette sitting in her playpen, her eyes glistening as she suckled the pacifier in her mouth. “Do you want to stay with Daddy,” Minato asked, “or would you rather go with your old bird-brained friends?”

Yukari cocked her head, apparently considering the question before she pointed to Minato.

He smiled wickedly, turning his eyes to the Feathermen. “Good, then why don’t you show your old friend how well you fill your pampers like the big baby you are?"

Obediently Yukari turned away from Minato, toddling to the center of her playpen so everybody in the room had a good view of her. The heroes all watched in shock at her compliance with Minato’s commands and even more so when she squatted down in the center of the ring. She brought her hands up in tight balls and squeezed her eyes shut with effort.

Everybody in the room could practically feel the strain her body was undergoing until the tension was broken by a loud fart cutting the silence, followed immediately by a torrent of squishy sounds.

The back of Yukari’s diaper dropped like a brick had been deposited inside, stretching the snap crotch of today’s onesie as it went. She gasped in relief once the seal was broken and mewled happily as a mound of mush piled into the back of her padding.

“See?” Minato said, “Just a big baby.”