What's so funny about this?

up.Su Han, fully engrossed in staring at the big screen, didn't notice Gu Nan Ci's gaze. She took a large gulp of her drink.Gu Nanci frowned slightly. This girl was holding the cup he had just taken a... stairs and leave. He stared for a moment, then waved his hand and let out a "tch". 。I turned my head and walked towards the kitchen that Gu Nanci had just pointed to. In the clean kitchen, I found a...