Okay, to explain: Kululu thinks that Kioshii, the robot baby, developed its own consciousness and decided it wanted both of its 'parents' to believe in its existence, and so it drugged Giroro on its own. I guess Kululu REALLY doesn't think much of Giroro, huh? Anyway, here we go:
"Really? Oh that's wonderful, Natsumi!" Momoka exclaimed. She'd stopped by to see Fuyuki again, realizing she'd left too suddenly to say good bye.
"I know, isn't it? Maybe you'll get your memories back, too!" Natsumi said, rocking Kioshii in her arms.
"Oh, I hope so! It's disorienting not remembering what you can't remember. Or… yeah, I guess," Momoka said, trying to figure out how to phrase her sentence. Natsumi nodded, understanding what she meant.
"I can imagine that must be hard," Natsumi replied, sighing. She felt sorry for Momoka. She couldn't remember Kioshii! It was awful.
Meanwhile, Giroro was roasting sweet potatoes outside, listening to their conversation. They'd left the back door open, probably hoping that he'd join them. Kioshii started wiggling in Natsumi's arms when she smelled the sweet potatoes. Natsumi put her down on her baby blanket and went back to talking with Momoka.
(To understand this next part, I'm assuming that Keronians grow out of their tadpole stage faster than humans. Therefore, they start crawling and talking and stuff earlier, too)
Unbeknownst to Natsumi and Momoka, Kioshii started crawling toward the smell, cooing slightly. Kululu had programmed her to love sweet potatoes, just like Natsumi and Giroro did.
Giroro looked up just in time to see Kioshii about to crawl over the slightly raised edge of the door. Jumping up, he lunged and barely managed to catch her before she hit the ground. He breathed a sigh of relief. Natsumi shrieked. Giroro didn't know why. He'd caught her, hadn't he?
"How did she get over there?" Natsumi asked, horrified. Giroro shrugged.
"Must've crawled," he replied gruffly. He still wasn't used to Natsumi treating him as an equal.
"But she's only three months old!" Natsumi exclaimed, panicking. Giroro nodded. Of course.
"It must be because Keronians start that level of maturing at about two months. She ended up somewhere in the middle," Giroro explained.
Natsumi sighed in relief. Giroro wasn't sure what she'd thought had happened, but he didn't bother asking. He wondered how Kululu was reacting to his sudden remembrance. He really wished he could see his face.