Saki and Sakuyo finally realize that Hyoe is the common figure involved in all the demon incidents! In order to track his activities, they opt to disguise themselves and follow him and Mohiro around town.
He became friends with 
Mohiro-chan out of the blue.
أصبح صديقاً لموهيرو-تشان فجأة
und genauso schnell
wurden sie Busenfreunde.
Se hizo su amigo de repente.
Se hizo su amigo de repente.
E, da un giorno a un altro,
è diventato suo amico.
Ele virou amigo do Mohiro-chan do nada.
Они ни с того ни с сего подружились.