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...
Who is it?
من هو؟
Wer könnte das sein?
¿Quién será?
¿Quién será?
Ma a chi?
Quem será?
Вопрос…