Contemporary College Students: I Went to Primary School in a Rural Area

A contemporary college student with a cow horse travels to a different world and becomes a primary school student. "What? How is it possible? He is only 17 years old. How can he enter the elementary school level!" "How is it possible? He can actually calculate addition and subtraction within ten." "He can actually recite the Nine-Nine Multiplication Sword Technique backwards." Li Ping'an: "I'm just an idiot on Earth. I didn't expect the Blue Star people to understand me so well. Everyone here is talented, has vision, and speaks well. I like it here very much." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.