Rukia just talks with her Hollow!

Once Shinji had put Rukia under, he stepped away. "Lisa, you wanna go first again?" he called to her as Hatchi put bindings on Rukia in hopes of delaying the fight.

"Sure. Can't be too difficult, compared to holding off Ichigo," she noted, stepping into the barrier as Rukia began to Hollowfy.

...

In Rukia's Inner World, which resembled a moonlit winter forest, she took a seat, before hearing a laugh. "Well, the Queen shows up, eh?" her Hollow asked from behind her.

"...hello there..." Rukia noted, getting up and turned towards the Hollow created. "So, I guess we need to fight then..."

"Eh, we can if you want, but we both know who Master would prefer in charge most of the time at least," Hollow Rukia replied, surprising her. "What? We both know you created me to help you serve Master here, and potentially better in battle, and I'm just your unrestrained lust and desire to serve... Side note, giving Master a sneak peak of Hiyori's little boobs was a lot of fun!" she sniggered. "Wish he'd just use us to claim any bitches he wanted, you know everyone he brought under his sway would enjoy it if he did, our genie magic is extremely pleasant to be under!"

"It's Master's choice," Rukia shrugged. "It's our duty and privilege to abide by it, is it not?"

"...fair enough!" Hollow Rukia replied. "Guess taking it slow has its own fun to it! At any rate, given I was created with a Hollow nature in addition to this whole Sex Genie business, I can give you some tips on controlling Hollow powers I'm sure you can share with Master!"

"That would help, yes..." Rukia nodded. After they talked for a bit longer, they simply sparred a bit.

...

A little over thirty minutes had passed outside, with Mashiro dodging waves of ice with her turn to face off against Hollow Rukia ongoing, when Rukia suddenly stopped, and her Hollow body began to revert in the same manner Ichigo's had. "Whew!" Mashiro grinned. "Hey guys, she beat Strawberry's time it seems!" she called to the others as Rukia remained standing, and just pulled off the mask, before letting it crumble away.

"...did I cause too much trouble?" she asked, before looking around.

"Meh, you turned a good portion of our training grounds into a winter wonderland during the dying months of summer, but it's no biggie," Shinji chortled as the barrier dropped. "Congratulations, you just got an upgrade in threat level against opponents. If only you had Bankai, but Hollowfication isn't a bad boost by itself."

"Right, let's see how long you can keep the mask on then!" Hiyori stated, and Rukia nodded, proceeding to manifest the mask, mentally ordering her Hollow to lend her the power as she did. With that, she started sparring with Hiyori, who was surprised to see that Rukia's mask showed no signs of crumbling anytime soon. "...great, another Mashiro when it comes to time able to stay Hollowfied from the looks of it," she grumbled, blocking Rukia's blade.