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…
If you changed into a nurse,
you could get inside that wing, right?
Si te transformas en enfermera,
podrás entrar.
Si te transformas en enfermera,
podrás entrar.
Tu entreras dans le pavillon,
déguisée en infirmière.
Se ti trasformassi in un'infermiera, 
potresti accedere a quell'ala, no?
Se você se transformar em enfermeira,
pode entrar nessa ala, não?