Stinks? It's said that dead yukkuris will spread death stench that can only be sensed by yukkuris. Could it be that little Marisa can feel it? Heehee, that's fun.
"Yuaaaaah! It stinks! Can't take it easy!"
You can't see them? If so, Mister will let little Marisa getting closer to them. See, that's the end of yukkuris who can't obey rules. However, Mister believes that little Marisa will never be like that, right?