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...
That's a good idea.
.هذه فكرة جيّدة
Das ist eine gute Idee.
Sí. Podría funcionar.
Sí. Podría funcionar.
C’est pas bête, ça.
Buona idea.
Oh, é uma boa ideia.
А что, идея.