Yeah, the Cure Decor were obtained by the Bad End Kingdom and turned into Noses, which are used to make Akanbe. So it's no surprise that we get one when we purify them.

Well, except for Blue Noses. Apparently they're weaker than a normal Akanbe but they're immune to our baseline attacks.

... Yuri? [Fortunately, Yayoi hadn't stopped to watch Heartcatch or she'd know what Yuri was talking about.]