Yuuki walks back into the living room, having a blush equally red as Ty's currently was out in the hallway. Aiko sees her and grins
Aiko: hehe, what did you do~?
Yuuki: w-what?! n-nothing! Nothing at all!
Aiko: is that so~?
Aiko suddenly jumps up from the couch and picks up Yuuki, who yells in surprise. Aiko then lays her down on the couch sits on her hips so she can't move
Aiko: you can tell me now, or I can make you tell me later~
Yuuki: i-i'll never tell! *she pouts defiantly and tries to wiggle away, unsuccessfully
Aiko: Aright. That's fine. Just don't say I didn't warn you~!
Aiko then suddenly brings her hands up Yuuki's shirt and starts tickling her belly. Yuuki's eyes go wide in surprise as she covers her mouth with her hands
Aiko: Come on, don't fight it. We both know I've tickled the truth out of you enough times now to know I won't fail at this~
Yuuki: n.. never...!
Aiko: Fine, have it your way *she grins and tickles faster, wiggling her fingers all over Yuuki's soft belly*
Yuuki keeps trying to hold it in, now giggling behind her hands now
Yuuki: hehe... hehehehe! s-stop it oneesahahan! hehehehehe!
Aiko: not until you talk! Tell me what you did!
Yuuki: nehehever! hehehe!
Aiko: never, huh~? What if I touch your tickle button~?
Yuuki's eyes go even wider than they already were
Yuuki: n-nohohohehehe! d-don't do thahahahat! hehehe!
Aiko: too late~ here it cooomes~
Aiko slowly and teasingly moves her tickling fingers down towards the center of Yuuki's ticklish belly. Then suddenly takes one hand and plunges a single finger into her belly button, tickling around inside it ruthlessly, while still using her other hand all over the rest of her belly. Yuuki squeals adorably
Yuuki: EEEEEHEHEHEHEE!! NOOHAHAHA!! NOT THEHEHERE!! AHAHAHAHA! PLEEEHEHEASE!!! HAHAHAHAHAHA!! HAHAHA!!
Aiko: wanna talk yet~?
Yuuki: NEHEHEHEVEEER!!! HAHAHAHAHA!!
Yuuki hits her fists against the couch repeatedly, unable to do much of anything else
Yuuki thinking: WHY AM I SO TICKLISH AND WHY DOES AIKO NEED TO KNOW ABOUT IT?!?!
Yuuki cracked after five more minutes of this tickle interrogation
Yuuki: OKAHAHAHAY OKAY!! I'LL, HAHAHAHA, TAHAHALK!! STAHAHAP TICKLING MEEEEHEHEHE!!
Aiko: Yay! I win! *Aiko stops tickling and raises her hands in victory, grinning as always*
Yuuki: hehehehe.. I k-kissed.. hehe.. ty.. *she blushes a little as she tries to stop giggling*
Aiko: You did? Wow. I didn't think either of you would manage thay unless I pushed you a LOT. hehe.. good job sis
Yuuki: t-thanks..
Aiko gets off Yuuki, who sits up and hugs Aiko tightly
Yuuki: thank you so much, oneesan. None of that would've happened if you hadn't helped me. Thank you
Aiko: hehe.. your welcome, Yuuki. *she hugs back* what are sister for, right? Of course I'd help you. Besides, you both obviously like each other, so it was reeeally easy
Yuuki: y-you think he likes me too?
Aiko: *sigh* if you didn't notice it at all while he was hear, you might need more help than I thought. Yes he likes you too! *giggles* baka
Yuuki blushes more
Aiko: You two are gonna be a great couple. I know it
Yuuki: thanks sis.. will you help us more?
Aiko: mhmm. How could I not? Watching you two lovebirds try to figure out how romance works is so adorable!
Yuuki: hehe.. t-thanks..
Aiko: wanna watch some tv before I have to go to work?
Yuuki: sure
Yuuki gives Aiko one of her massive smiles, which causes Aiko to smile right back
Aiko: I love you, sis
Yuuki: I love you too, oneesan