Chapter 131: Not a Math Problem

Lin Ruoxi's little secret was accidentally revealed, but she didn't react like most girls who would feel shy and avoid eye contact. Although her face turned crimson, she swiftly regained her composure. She snatched the beautifully crafted "guidebook" from Yang Chen's hands and said, "What are you staring at? It's not like it's something you read."

Yang Chen, with a smirk playing on his lips, remained silent. Instead, he reached into the car and picked up another book Lin Ruoxi had bought. The title of this book was even more straightforward: "100 Rules for Couples' Coexistence."

"You..." Lin Ruoxi was caught off guard and bit her lip, then swiftly grabbed the book back and held it close to her chest. "Hurry up and move the books. I'll get in the car first."

With that, Lin Ruoxi dashed into the car like a gust of wind and slammed the door shut with a loud "thud."