It's Team Dog vs. Team Sheep, and Benisumomo is fighting both to win and to protect her reputation. Sazanka doesn't like how distracted Tsubaki seems lately, so she concocts a plan to sneak out of class and go see her.
Sensei must decide it on a whim.
لا بدّ أنّ سينسي تقرّر ذلك في نزوة منها
Sensei setzt die doch einfach an,
wenn ihr danach ist.
Típico capricho de la profe.
Fijo que la profe lo decide de repente.
Le maître et ses caprices, tu sais…
La Maestra l'avrà deciso sul momento.
A mestra deve ter decidido agora.
Видимо, учительнице просто захотелось.