You were talking to a classmate from your school. But you were feeling a bit... watched...

After classes ended, you decided to stay late at school to study with your friend, until Ayano, another classmate, shows up and asks to join, you accept.

Until you decide to go to the bathroom, and when you come back your friend is no longer there, just Ayano.

"Hello Senpai! Your friend said she would 'leave'!"

• She lied...