[Since you appeared, my world has become colorful. ]
The next paragraph of text was interrupted by Lan Qian who came to him out of curiosity: "What is written in the diary? Bring it to me and take a look."
Liu Cunxi picked up the diary she had just finished writing and turned around and hummed: "Write that you are a pig!"
"You are a pig! You pig, you eat daddy!"
"What did you say!" Liu Cunxi put down her diary, rolled up her sleeves, and picked up the whip.
The war song begins...
The summary is: the ultimate evolution of Thunderbolt Spiral is a love story between a tsundere urban female teacher and a warm, silly and tsundere little (college) student.