Zap them all

Jaune waited for Yang to return. She handed Ruby the soda and then turned to Jaune.

"So, what is it you wanted to show my sister?" Yang asked.

"Well, actually, I wanted to show all of you it," Jaune said.

"All right," said Yang. "Weiss!"

Weiss turned and looked annoyed. "What?"

"Vomit Boy has something to show us."

As Yang said this, Jaune heard the shower turn off as well, and Blake emerged from the bathroom, a towel covering up her body.

"Jaune?!" Blake yelped, blushing heavily. "Tell us you're coming next time!"

"This will only be a second." said Jaune.

Once all four women were looking at him, Jaune zapped each of them with the trigger setting. Notably, as Blake went into trance, she dropped her towel, allowing Jaune an unobstructed view of her naked body.

"Please input trigger," said the four girls.

"Okay, let's do some group triggers," said Jaune. "If I say the word 'forget', followed by something, you'll instantly forget that thing. So if I say 'forget your name', for instance, you'll forget your name entirely. However, if I say a specific girl's name before the trigger, only that girl will forget that thing. So if I say 'Yang, forget your name', only Yang will forget her name, the rest of you will be fine."

"Trigger received," said the girls.

"Next, if I say 'put on a show', the four of you will twerk for me. Again, if I say a certain girl's name before the trigger, only that girl is affected."

"Trigger received."

"Let's see...when I say 'Mind blown', you'll have an orgasm so powerful it'll temporarily shut down your mind. Once more, if I say a specific girl's name before the trigger, only that girl will be affected."

"Trigger received."

Now, Jaune had options. He could wake the girls and use their group triggers, input more triggers now, or work on each of their solo triggers.