It is an event in the private English school called the "Nova".
In Nove it was system it was three Japanese and a foreigner as a teacher, and to learn a conversation.
We introduce ourself each other.
It happened a time of my self-introduction.
I said "I'm a lob technicain."
The foreigner shouted "you are love technician ?"
It is a joke that it uses the sound of "B" and "V".