Link tells Groose who he is, but they do the deed anyway, consequentially.

No! Link wasn't going to succumb to his new instincts, not like this! He told Groose that he was actually Link, that he'd tried out an experimental new potion and it had turned him into this.

Unfortunately, Link had forgotten to speak from only one mouth, and Groose heard the whole thing in stereo, clearly confusing him. "Huh? Link?" He looked between the four identical slime girls. "Which one of you is Link?"

It seemed that Link had underestimated Groose's stupidity, even though that was actually quite cute on him after all-NO! Link stopped that train of thought and, from one body, told his "friend" that both of them were Link, he had four bodies now. As he said that, images of Link using all of his bodies to ravage the red-headed fool's body for all it was worth appeared in his head, and he struggled not to enact them immediately.

Groose scratched his head, thinking aloud. "Hmm...so you turned into four slime chicks who really want me, eh Link? Well, I think the best idea would be to..."