What's so funny about this?

a text message: She's coming next.No one replied, and he nonchalantly put away his phone.Lin Jinran called Zhang Sao and informed her that he wouldn't be going back home for dinner in the evening, an...u Nan Ci calmly took a cup of water and handed it to her, his gaze turned to his own grandmother, "Grandma, please eat..." 。"Oh, it's so good to see Su here! I can't help but be happy and say a few m...