C136 Explanation

After stepping into the elevator, I instinctively reached out and pressed the button for the 22nd floor. Lih Tianyu's hand paused in mid-air before he discreetly pulled it back.

I pressed the button with a puzzled expression and turned to Lih Tianyu, asking, "Tianyu, which floor is your apartment on?"

Lih Tianyu chuckled, "You guessed right, it's the 22nd floor