A/N: F to the Uck!

A Saturday's sun peeked through the messily folded curtains. Quiet moans and snores filled the otherwise still air.

As the homestays (plus one) rested, Kurusu shifted looked downwards at the newest addition to their crew.

A slime-girl.

"Uh… Hello?" It looked up to him with a smile, like Papi's. It was full of love and mirth, and she responded with a wordless sound, and a hug.

"P… Papi? Do you know who this is?" He was hoping very much that the Harpy knew what he was talking about. Wrapped in Miia's coils, the young bird-woman fidgeted, before sighing happily in Kurusu's arms.

"Ah… Husband…" She mewled. The human man sighed and shook his head.

"Papi!"

"Ah! What is it!?"

"Who is this?"

"Huh? Oh, that's- …S… Suu! Her name's Suu!" At hearing her name, the slime nodded, and began humping Kurusu. She shifted her body outwards and played with Kurusu's nipples, eliciting some ragged moans from the man.

Memories coming back, as well as his consciousness, a harsh blush came to his face. Suu deformed her body and made her face appear at the "top" of her slime pile. She stared into Kurusu's eyes and kissed him deeply, before presenting her breasts to him.

"Deh." Was the noise she made. Or the closest translation Kurusu could come up with. In a sex-drunk state, he suckled on Suu's gelatinous tits and she smiled to him. Looking at her face and taking keen observation – he denoted that the girl was feeling pleasure.

Her face wasn't oddly contorted like Miia or Cerea's would've been. It was more calm and happy, and the small sounds the Slime made with her "mouth" were obvious signs that she was enjoying the act.

The human grasped what he could of Suu's buttocks and aligned his cock with her own genitalia, assuming she had any. Another serene smile came to the Slime's face as she caught on to his plan.

"Deh!" And she humped the man for all he was worth – having taken notes from the other homestay's involvement with Kurusu.

"A-Ah! S-Suu!" She quickly made him cum, knowing exactly how to please him. She'd moulded her "pussy" to massage the groove of his cock like no other monster-girl could.

And she loved the feel of him inside her. She loved the "taste" of his seed.

And her smile invigorated him, again and again.

(…)

Suu loved Kurusu.

Yes, Suu could love. Suu could think, and Suu could love.

At his behest, she was always kept hydrated to the point of her being able to speak. She learnt quickly through imitation, and her mind and thinking power grew exponentially, every day.

She'd often ponder on the state of her own existence. She'd grow worried some nights, that she might crumble and disappear. But he was always there for her, hugging her when she felt shaky, or giving her something to "drink".

She remembered when they first met. Suu had been stalking the Kimihito household for quite some time, hiding in the air ducts, or in the water systems, gathering enough water mass to move around freely.

She was able to think then – and her thoughts became enraptured with the visage of him. She observed, as she always would, and Suu knew that day in the bathtub was the day she fell in love with Kurusu.

(…)

"Suu? Suu!?" He called in the rain, by his lonesome. In his hand was a yellow umbrella, shielding him from the rain. He scoured around his building, and wondered where his new homestay could've gone.

"Suu!" She poked her head out for a split second, before reeling it back in. She couldn't make sounds in her current form, and she couldn't gesture out for him to come to her, lest her body parts fall off in the heavy rain. He eventually found her, and apologised profusely, presenting an open bottle of water to her.

"I'm sorry for leaving you. It's just…" She held a hand up to him, and smiled her ever-loving smile to him.

"It's fine. Love you." Those were the first few words she learnt, purely from imitation in the Kimihito household. The first two were from Kurusu, calming down his harem, and the latter two, from every other person living with them.

Not to imply she didn't mean the words she spoke. Everything the Slime-girl said, she meant, with a passion. Kurusu smiled to her, and kissed Suu on her jelly-like-lips. She hugged him tightly, and ignored the barriers of her skin, assimilating him within her.

"SSSUSHUgsGSsll!" He choked, within the Slime-girl's chest.

"I love the feeling of you inside me." She parroted Miia and Cerea's words, stroking Kurusu's back as he drowned within her jelly core.

(…)

The majority of Suu and Kurusu's relationship could be explained with four words. Four words which became ingrained in Suu's mind.

"Help you, love you." Because that's what the loving man did for her – and that's what she'd do for him. Whenever he'd get fed up of the shitfest that was living with multiple monster-women, and cooking and cleaning for them, and pleasuring them, and…

You get the point.

Suu would be there for him, to "cool" him down, whether it be with a quick kiss, or a few words of wisdom she'd picked up from elsewhere.

And whenever she would dissipate, molest, or be blamed for the cause of random bits of havoc, Kurusu would have her back. Sometimes literally.

And, of course, they loved one another. That was a given.

A particularly incident came to memory…

(…)

She strode in, filled with water, and the soothing sound of fake flesh slapping against its own fake flesh calmed Kurusu's headache. He snapped awake, and began to get up. Suu, featuring a pair of swollen, gigantic breasts, and a sexy, MILF-like demeanour, held him down with a single, wet hand.

Her raincoat was close to snapping open under the pressure of her massive bust, and provided a nice, distracting view for the sickly man.

"S-Suu, you could get s-sick!" He rasped. She shushed him, and extended a feeling feeler outwards from her head, touching it to his forehead.

'Pain… Horny… Headache… Horny… Breasts, Pulse, Bones, Ache…' She smiled to him, and sexily disrobed her raincoat – flaunting her beautiful, green breasts for Kurusu to ogle.

"Drink." The Slime's "voice" was laden with sex and seduction, compelling Kurusu to do as she commanded. She plopped one orb into the man's mouth, and mewled as he willingly sucked and toyed with it. What was inside Suu didn't taste completely like water – but Kurusu was more occupied (or rather, enjoying) the fact that Suu had formed faux nipples on her breasts.

He lolled his tongue out, and rubbed it around and on Suu's nipple, sucking as much as he could.

Whatever it was in Suu's breasts lulled him to sleep easily, and made his breathing easier. In a half dazed state, the slime-girl smiled to him retracted her bust from his face, and easily slipped his clothing off.

She readjusted the water content in her body, and shrunk slightly as her body became roughly symmetrical once more. Still in "MILF" form, she straddled him, and kissed his quivering body lightly, up and down his bare, heaving chest.

"S-Suu-mmph!" She silenced him with a kiss of her own, and slid his slowly-erecting length inside her. She stroked his face, and made him cum, again and again, riding him for a full, cleansing cure she'd designed herself.

"S-S-s…" He fell to sleep, mumbling "love yous" and "thank yous". She wrapped the young man in her arms, and lied with him for hours, until the rest of his harem came barging in.

When Miia saw Kurusu in his deeply satisfied, naked state, wrapped in the arms of a smiling, smug Slime, she could only think one thing…

"SUU! HAVE YOU BEEN RAPING MY DARLING!?"

A/N: Shorter than usual, I realise. Suu was hard to write for, as she's all... You know – variable.

Hope you all enjoy!