The paper plane that was thrown away accidentally landed on the balcony downstairs.
She just wanted to have an in-depth discussion with the downstairs about the love between men and women, so as to collect some materials for her novel.
After their shameless online flirting, she finally plucked up the courage to knock on the downstairs door, but she never imagined that her online lover who was the object of her moans was her deskmate!