C80 The Incident of Li Xiaomei's Skirt Dropping Pen

The next day. Li Xiaomei was wearing a red dress. Liu Lei, who was bending down to pick up the pen, accidentally glanced at it and saw what he shouldn't have seen, but he also wanted to see what his heart was beating fast like a drum. He could not stop it, and it had been a long time since he was able to stop his heart from beating.

What did Liu Lei see? He peeked at the scenery under the skirt