Nishikata receives his first cell phone and can't wait to play tricks on Takagi-san.
He sends her a scary video to frighten her, but it doesn稚 quite work. 
As usual, Takagi-san has the upper hand when it comes to teasing...
help me clean up next week
 when I'm on day duty.
ساعدني في التّنظيف الأسبوع المقبل
،عندما يحين واجبي النّهاريّ
hilfst du mir nächste Woche
beim Klassendienst.
la prossima settimana mi aiuterai
col turno di pulizie.
me ajude na limpeza da sala,
na semana que vem.