Coincident meet

Today at first floor of the D building i met professor Izumida. he is supervisor of my close friend but i have never talked or taken his class.
but today, he just ask me " Where is Nisshi?"
** Nisshi is my friend in his Laboratory.

i just got surprise and replied immediately to him " Nisshi is at Baito now"
** Baito = Part time job.

it was just a coincident and it surprise me a lot :D