Kobato and Osanai are invited to Dojima's house, where he makes them cocoa using his special method. When Osanai leaves, Dojima asks Kobato about her change in personality. 
It was actually Osanai-san's idea.
.كانت فكرة أوساناي-سان
Na ja, das war Osanais Idee.
En realidad fue idea de Osanai.
En realidad ha sido idea de Osanai.
Enfin, à la base,
c’était l’idée d’Osanai.
In realtà l'idea è stata sua.
Bem, a ideia foi da Osanai-san.
Правда… это Осанай придумала, а не я.