Yachiyo was walking outside until she gets a headache.

“Oh Yachan..”

It was Mifuyu’s voice.

“Aww someone has a headache..”

Yachiyo then transformed into her magical girl form and teleported to Mifuyu’s witch labyrinth and sees Mifuyu’s witch form Hevelius.

“There you are Yachan..”

Yachiyo’s headache then gets worse.