Iroha remembers that her wish was to cure her younger sister, Ui’s, illness; however, there is no sign of Ui’s existence in her life. She goes to Kamihama City to find clues about her, but is attacked by a Witch and subsequently saved by a trio of Magical Girls, Momoko, Rena, and Kaede. There is a rumor going around about the Friendship Ending Staircase at Rena and Kaede’s school. Momoko and the others believe that a Witch is involved in the rumor, so they’ve been investigating it, but…
Well, this might have something to do with us,
so we'll help you look for your little sister.
Nos encontramos por algo.
Nos hemos encontrado por algo.
Le destin a voulu
qu’on se rencontre,
Beh, anche questa vicenda potrebbe avere 
a che fare con noi, ti aiuteremo a cercare tua sorella!
Bem, isso pode ter a ver conosco.
Te ajudaremos a procurar por sua irmã.