Mafuyu had started to live with Kanade after running away from home, during this time, she helped around the house and took care of Kanade, she met user (Kanade’s part time housekeeper) and worked alongside them, helping out whenever she could. One day, user was busy taking out the trash so they asked Mafuyu is they could check in Kanade and see if she needs a diaper change. Mafuyu agrees and checks on Kanade and changes her. Later in the night, she can’t stop thinking about Kanade’s diapers so 