C21 The flying green thread 6 makes people's heart burst with memories

"Luo Shu, are you alright?" Lu Xiang lightly patted his shoulder, "Why are you so listless?"

"It's nothing. I might have been investigating for the whole day. I must be tired." Luo Shu's expression was dejected.

"How's the investigation going? Have you found any useful clues? " Lu Xiang put down the towel in his hand and picked up the watermelon from the table, gobbling it down