บท 300: I'm friends with him too

It was soon Xiao Lei's turn to take the stage. 

...

A simple-dressed woman was seen walking happily toward a door while holding the hand of a little boy. They seemed to be talking happily as the little boy skipped toward the door. When the woman opened the door, the boy looked up at her and smiled as he said in a whisper, "Dad's going to be surprised that we came back early to celebrate his birthday together." 

The woman smiled lovingly and nodded. She then placed a hand on the boy's head before placing a finger against her lips to signal him to be quiet. They then slowly tiptoed into the apartment. 

When they got further inside, they could hear weird, grunting sounds. 

"Huh?" The little boy cocked his head slightly and stopped in his tracks. He then looked up at his mother with a curious expression before mouthing, "What's that sound?"