All done with their mock exams, the Himeno-Naoko-Mika trio spot
their pottery club advisor Mami by the train station and impulsively decide to tail her.
They pass through a forest, walk by a lake and finally reach a mountain.
Where exactly is Mami going?!
you're failures as detectives 
who are tailing someone.
يعني أنّكن فاشلات كمتحرّيات قيد الملاحقة
taugt ihr als Detektive
wohl nicht viel.
han fracasado en su persecución,
detectives.
habéis fracasado en vuestra persecución,
detectives.
en vous laissant distraire
par votre discussion.
siete un fallimento come investigatrici che
 stanno pedinando qualcuno.
Tendo uma conversa tão intensa
num lugar desses.
устраивать здесь такой
серьёзный разговор.