Time to fix Nishi.

"Come with me." Bryce said, leading her into a guest room, swapping the milker's container out for a completely empty one.

Nishi followed him wordlessly, her cock bobbing, her tits bouncing, sex personified, such that despite everything all three of the futas were staring at her as she left.

"You'll stay here, until and unless you earn the right to share my bed." Ultraboy said, waving a hand.

Nishi slid up behind him and wrapped her arms around his waist, hands coming to a stop when they ran into his hardening, duralexx covered cock. "And giving you the Ultimabitches as Ultimasluts and making you your own little 'Mommyslut' doesn't earn me that right?" She asked, not entirely sure why, it wasn't like she loved him, but she'd never been able to resist a challenge.

"No." He said, resisting the urge to elbow her in the face. The feel of her cock rising against his ass reminded him of why he'd taken her aside, before her words made him want to hit her, so he controlled himself, rather than trigger reflexes that had beaten his mother and instead passed the milker over his shoulder. "Now, put this on. Whenever you're around me, you'll wear it, unless you need to take it off to piss, or swap out the container." The fingers teasing his cock had to stop to take it.

"What is this?" She asked, trying to figure out how it worked.

"One of the Semen-Lord's milkers, it'll keep you from endangering me, or anyone else, if I choose to..."

"Fuck me again?" Nishi offered.

"Make use of one of your holes to release some of the stress you've created." He said, the euphemism making him feel better, though not much.

"I don't know how this works." Nishi said.