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...
Is something wrong?
هل من مشكلة؟
Stimmt was nicht?
¿Pasa algo?
¿Pasa algo?
Tu as un souci ?
Qualcosa non va?
Algo errado?
Ты чего?