"What? The Yukkuri are evolving!"
http://www.youtube.com/watch?v=KwT8FOyXkMw

"Congratulations! Your Yukkuri evolved into Osa-Yukkuri!"

But the little yukkuri faces are so much cuter... such is the way of most evolutions.

They refuse to be outdone by the other.

Title of comic

【東方4コマ994】　今日も元気に

so closing their mouth's makes their grow bodies while keeping them open makes them heads. it all makes sense now

when the Marisa osa-yukkuri stretched to full height, it reminded me of Dio Brando 0.o

Are these remakes of the beginning of this series? Those seem to be gone from the internet.

Tsuchino said:
when the Marisa osa-yukkuri stretched to full height, it reminded me of Dio Brando 0.o

Well whatever her pose is, it does give off a JoJo vibe.