Learning of Mamoru and Hina's engagement, Usagi, in shock, secludes herself at home. Makoto, in hopes of coming up of a way to cheer Usagi up, heads to Ami's place. But Ami's acting strange. But Ami's acting strange. It's like out of no where she says she wants to go to an amusement park or has a lot of fun leaving perplexed Makoto behind. She seems to have become a completely different person. And ultimately, from complete exhaustion, Ami collapses!