In the morning of training, Shinobu Kocho was cutting some objects with her sword, flawless with her moves and ability. Rico was sitting down on a chair, clapping at her performance, standing up to give her a big hug around her waist, making her giggle.

Rico: good job on your training, Mommy Shinobu. You did very well.

Shinobu: thank you, Rico. I really did very well on my training. I'm going to relax with you right now for some fun.

Rico: that's really cool. I have a fun idea if I can pump you up like a balloon. Would you like to be inflated for me?

Shinobu: *smiles and nods* of course I'll inflate for you. The air pump is somewhere in the garage. I'll go get it.

She put her sword down, walking her way to the garage to get the air pump while Rico waits for her, excited to inflate his favorite demon slayer into a big balloon to play with. Minutes later, Shinobu comes back to him with the air pump in her hands, giving it to him, and hold the hose in her hand.

Shinobu: you can use the air pump to inflate me, baby. I'll be so big and round for you to play with~? *Wink*

Rico: I'm so excited to inflate you. This is going to be a fun morning for us~.

Shinobu: it really will be, hehe. I'm going to put the hose in my mouth right now. Inflate me as big as you can~.

Rico: ok, Mommy Shinobu. I'll do my best to have you really big~.

Shinobu giggles, putting the hose in her mouth, giving him a thumbs up for him to inflate her. Rico begins pumping the air pump, making a lot of air go through the hose, puffing her cheeks up as her belly starts to expand slowly, lifting up her shirt to show her midsection along with her butt and thighs expanding, stretching out her pants. He laughs seeing her getting a lot more rounder, pumping more faster to get her really huge with her arms and legs sinking in her body and her chest gets pretty flat, slowly pumping her until it was hard enough to pump more. Shinobu spits out the hose, giggling as she's round like a human balloon, rocking back and forth on her swollen crotch.

Rico: you're so round and big, Mommy Shinobu. You look so adorable like this~.

Shinobu: *giggles* thank you, baby. It feels so relaxing to be so round and immobile. I love being your big balloon~.

Rico: I know right. It's really funny. I'm going to use your belly as a trampoline.

Shinobu: go ahead and bounce on me as much as you like. I'm all yours~.

Rico gently roll her on her back, climbing on top of her, and bounce on her Inflated belly like a trampoline, laughing loudly. Shinobu giggles, flapping her sucked hands, enjoying being bounced on until she saw him hopping onto the ground, gently rolling her on her belly to play with her big butt cheeks, making her blush and moan softly, and felt him crawling onto her back.

Shinobu: *chuckles* you really love me like this, do you~?

Rico: of course I do, Mommy Shinobu. It's just so fun to play with you when you're so round and bouncy like a ball~.

Shinobu: that's pretty true. How about you can bounce me around like a hopper ball. That'll be really cool to try out~.

Rico: alright, let's go bouncing really high~!

He gently rock her back and forth, bouncing up from the ground really high, continue to bounce a more as they both laughing together, enjoying their fun with Rico cuddling and hanging onto her back. Shinobu laughs, smiling a lot as she was really loving her role to be his inflated balloon friend to be played with for their beautiful morning together. Rico rolls her inside of the large mansion to the living room on her back, unbuckling her pants to expose her Inflated pussy that's wet due to how turned on she was from the inflation. He takes his own clothes off, putting his member in her folds, thrusting in her slowly that made her moan softly.

Shinobu: oh my, Rico. I didn't expect you to have this side of you~.

Rico: enjoy my little peepee in you, Mommy. I love doing this with you so much~.

Shinobu: *moans softly and giggles* I'm loving this so much, baby. Don't stop and keep going for Mommy~.

Rico: yes, Mommy. I'll keep going for you~.

He continues to thrust in and out of her more, going a bit fast as he sucks on her Inflated clit like a pacifier, nuzzling his face between her folds that made her moan loudly. Shinobu flaps her sucked hands in her divots, wiggling her sucked feet in excitement, rolling her eyes up, and panting to feel him thrusting and teasing her that makes her pulse out a lot more of her juice in his mouth that's close to spraying all over him. Rico panting, precumming deep in her as he knows that's he's reaching his limit.

Rico: *panting* Mommy Shinobu. I'm going to fill you up with all of my love from my little peepee. It's going to come out now~.

Shinobu: yes, baby, yes! Fill Mommy up with your love! I need you in me~!

Rico: *moans loudly* Ohh yes... That feel so good~...

Shinobu: fuck yes, Rico. That's what Mommy likes. Fill her more with cum~...

She feels his sticky cum filling her up, moaning a lot to feel a lot more full from his love, feeling him rolling her on her belly to hug and cuddle on her Inflated butt. Rico grinds his small member between her cheeks, feeling her twerking to match his rhythm, patting her from behind as he leans in to kiss her deeply. They both moan, making out with their tongues dancing together in their mouths, slowly breathing the kiss with a string of saliva.

Shinobu: *panting* that felt so good, baby. I really love this so much~.

Rico: *smiles* I never knew you could be this wild, Mommy Shinobu. It really was fun doing this with you~.

Shinobu: hehe, I'm a really kinky woman after all. I really need this moment from you. Now, let's keep kissing while I be your inflated Shinoballoon~. *Wink*

Rico: yes, Mommy. You're my inflated Shinoballoon~.

He kiss her more, grinding his hips between her inflated butt more, feeling her twerking against him that makes him want to release his seed again. Shinobu eyes filled with predatory affection, kissing him more, feeling his seed between her inflated butt cheeks as she was really happy and felt so good to be very round and inflated for her little boy.