A mysterious group of crows are going around releasing captive birds around the city, including Ruli’s friend’s pet sparrow. The gang agrees to track down the missing bird and get to the bottom of this unknown threat.
We don't know where the enemy--
--لا نعرف أين العدوّ
Wir wissen nicht, wo der Fei…
No sabemos dónde estará el enemig…
No sabemos dónde estará el enemig…
Non sappiamo da che parte attaccherà il—
Não sabemos onde ele está...
Мы не знаем, где прячется...