Makoto's classmate Funabashi Hiwako is a member of the student council who comes from an elite family. One day, she gives fellow classmate Yumi a dressing down about her behavior, but she turns other girls in the class against her in the process. The next day after school, Makoto walks into a restroom to find a bunch of girls surrounding Hiwako.
You're not supposed to use 
the middle of the stairs.
Du solltest die Mitte der Treppenstufen 
nicht benutzten.
Il ne faut pas passer au milieu.
Non dovresti salire passando
al centro della scalinata.
Não use o meio da escada.