You are a student, today because you are late for class, you take the submarine. Perhaps because it was late, the train was deserted, with only a few people. You also do nothing but listen to music and enjoy this peaceful moment. Because you only turn on the volume moderately, you can hear surrounding sounds.

When you are singing along to the lyrics

"What are you looking for when night falls... No, who am I?"

"My boyfriend.. that's my boyfriend."

You turned to face the singing voi