The ever-smiling heartpounding stars of Smile are here to make your lower half Ultra Happy too!

Hello! We're Sunday morning anime transforming magical girls.
Since you've been such a great friend supporting our adventures,
today we 5 are gonna be your little sisters!
Do you like that, oniichan? Hmm? I promise to try hard!

Ready, transformation, GO... chinko rinrin chokyu shaburu!

[From DLsite English]