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“Yellow? What in the world is going on?” Blue asked, raising an eyebrow as he took in the scene in front of him.
Yellow was restrained on a giant yellow X shape, with a yellow blaster pointed at him charging up. Blue had walked in on similar situations with Yellow countless times. The poor flower had a very strong, albeit misguided, sense of justice that led him to feeling the need to punish himself in increasingly creative and concerning ways.
“I’m a criminell, Blue. I wasn’t lookin’ where I was walkin’ an’ crushed your beautiful flowers” Yellow hung his head in shame. Blue couldn’t help but smile as he pressed his hand on the gun, powering it down. Yellow’s head snaps up as he hears the bullet pattern power down, looking at Blue in shock.
“You know, you don’t need to be punished for an honest mistake, my love” Blue says in a soft voice, walking toward his restrained partner, preparing to untie him. How does he manage to tie himself up like this?
“I do!” Yellow said, “I need to face justice for my crimes!”
Blue smirked as he came up with an idea, dropping his hands away from the ropes. If justice was what Yellow wanted, who was Blue to deny him that?
“I agree, my love” Blue said, “I think you should face justice, and seeing as it was my flower that was so brutally crushed, shouldn’t I get to decide what sort of justice you face?”
Yellow looked up at his partner, his face flushing with confusion. Blue created a blue block to step up onto, looking into his partner’s eyes, a mischievous glint sparkling in his blue eyes.
“U-Uhm, y-yes, Blue” Yellow said, his cheeks ablaze with embarrassment. Blue grinned and stretched his hands towards his lover’s unprotected rib cage.
“Wonderful! Now, my love, I have a little question for you” Blue cooed, his fingers brushing against Yellow’s skin as he pulled his flannel shirt out from his pants. Yellow shivered as he felt a cool breeze against his bare chest and stomach, nervously pulling at his wrists. He suddenly regretted asking Seth to help him tie himself snug to his punishment X.
“Yes, Blue?” Yellow said, his voice small and nervous. Blue was never interested in justice, what would he have in mind?
“Do you remember a few weeks ago, when we were rehearsing some choreography where you had to lift me and your devious little fingers just happened to find their way into that soft spot on my hips? ‘Accidentally’ according to you, but I think you were doing it on purpose, weren’t you?” Blue asked, pursing his lips cutely. Yellow’s stomach dropped.
He did remember that day. Blue was struggling with the choreography and was getting so frustrated with himself, and Yellow just wanted to make him smile. He had remembered seeing Asgore do something to Asriel when he was a baby that had made the boy squeal with laughter and decided he could try to see if it would work on Blue. He had decided to, when lifting Blue above his head, he would wiggle his fingers like Asgore did and hope it would bring a smile to Blue’s face. The time of the choreography came, and Yellow’s fingers found purchase in Blue’s soft hips and the reaction was instant. Blue shrieked in surprise and dissolved in helpless giggles as Yellow brought the other flower back down to the ground. His plan had worked!
“Y-Yellow, stop! That is ticklish, get o-off!” Blue giggled, and pushed at Yellow’s hands, which remained at his sensitive hips.
“Hm? Does it?” Yellow asked, moving his hands up to continue tickling up Blue’s ribs and tummy. Blue gasped and squirmed, laughing as he pushed uselessly on his lover’s hands.
“Does this tickle, too? Hm? What’re ya saying? I can’t hardly understand ya!” Yellow teased, digging his fingers under the other flower’s arms, causing the smaller man to shriek with helpless laughter. Blue kicked his legs as his laughter went silent, weakly slapping at Yellow’s hands as a silent bid for mercy. Yellow snickered as he slowed his fingers and wrapped his arms around his giggling partner. Blue immediately laid his head on Yellow’s chest as he regained his breath.
“Are you listening to me, Yellow?” Blue asked, pulling Yellow out of his daydream and back to the present moment.
“Y-Yes, Blue. I remember”
“Well, I think that for justice’s sake, I should get to tickle you silly while you’re all tied up and helpless to stop me~” Blue said, gently scratching at Yellow’s exposed belly, causing the other man’s mouth to curl into a wobbly grin.
“W-Whatever y-yohohou like- AHAHAHA!! W-WAHAHAIT!” Yellow shrieked, pulling desperately at his wrists as Blue’s thumbs dug into his hips while his other four fingers dug into his ribs from behind.
“Wait? For what, darling? I fear you won’t get less ticklish if I wait to tickle you!” Blue teased, leaning down and blowing a raspberry against Yellow’s quivering stomach. Yellow shrieked and attempted to kick his legs to soothe the intense ticklish sensation coursing through his body.
“P-Plehehehease! Bluhuhue, m-mehehehercy!! Hahahahave mehehehercy!!!” Yellow gasped and Blue’s fingers traveled up to his exposed armpits and dug in. Yellow’s giggles became hoarse as he continued to laugh.
Blue slowed his fingers, reaching up to gently stroke Yellow’s neck and ears. The taller man shivered and giggled softly as he regained his breath, his cheeks flushed with mirth.
“I think justice has been served, hm?” Blue said, tugging the ropes and freeing Yellow’s wrists and ankles. Blue held his arms out to the other man, beckoning him in for a hug. Yellow dropped to his knees and wrapped his arms around Blue’s waist, burying his blushing face in Blue’s chest. Blue stroked Yellow’s hair and smiled as the taller looked up to meet his gaze.
“I had no idea you were so ticklish, dear” Blue teased, playfully kissing all over his lover’s face, making the other man blush and smile.
“O-Oh, hush. I seem to ‘member you being ticklish too, and your laugh was as bright as a summer sunset” Yellow said, grinning as Blue’s cheeks flushed slightly.
“Are you trying to butter me up, love? To keep me from exploiting your ticklish weakness?”
“You can do what ya like, Blue, but don’t expect me not to take advantage of your… sensitivities, too” Yellow murmured, slightly embarrassed.
“Of course, darling, of course. Come now, what do you say we meet the others for dinner? Once your cheeks have returned to their natural state of course”