Pochi-san appears to be feeling sick, much to Akira's dismay. In the ensuing argument, Nadeshiko confronts Shizuru to find out the truth about why Yoka has gone missing.
I can't say for certain, 
since I haven't looked into it myself.
لا يمكنني الجزم بذلك بما
.أنّي لم أبحث في الأمر بنفسي
Ich kann es nicht mit Sicherheit sagen,
da ich es selbst nicht untersucht habe,
No puedo asegurarlo
porque no lo comprobé,
No puedo asegurarlo
porque no lo he comprobado,
Je peux rien affirmer
avec certitude,
Non ho verificato io stesso,
quindi non ne ho la certezza,
Não posso dizer com certeza,
pois não verifiquei pessoalmente.
Наверняка не знаю — сам не проверял.