Just before a date with Osanai, Kobato runs into Kengo, who shares some disturbing news and leaves a strange message. Together with Osanai, Kobato tries to solve the mystery. However, shortly after, it appears that Osanai is in great danger.
You told me that Kawamata 
Sanae-san's sister, uh...
...أخبرتني أنّ أخت كاواماتا ساناي... عفوًا
Zumindest hast du gesagt,
Kawamatas kleine Schwester,
Me dijiste que la hermana
de Sanae Kawamata…
Me dijiste que la hermana
de Sanae Kawamata…
Tu m’as expliqué que, euh…
Kasumi Kawamata t’a demandé
Mi hai raccontato che
la sorella minore di Kawamata Sanae,
Você me disse que a irmã da
Kawamata Sanae-san, hm...
Да, что младшая сестра Санаэ Каваматы…
как там её?