Pain Threshold

"The upper limit of pain varies from person to person, but love can push the threshold infinitely higher." This book is inspired by the author's youth documentary. - [Black-skinned Literary Attack × White-skinned Jiu-Jitsu Shou] [Campus·Slow Heat·Both Directions·Sour and Sweet·Sickly] Lin Zhuo's protective color is black skin and a lazy ruffian. He is 188cm tall, always wears brand-name sports suits, and walks with a wind. At first glance, everyone thought he was a sports student. No one knew that he had an old injury nailed into his lumbar spine and would wake up early on rainy days. There was always a small bottle of painkillers and an old book in his schoolbag. Xu Hong's protective color is a polite sense of boundaries and a gentleness that is harmless to humans and animals. At 183cm, he looks like a good student at first glance. No one knew he was a brown belt in Brazilian Jiu-Jitsu and it only took three seconds to knock down a grown man. But he abhors violence and would rather be treated as a "good bully" at school. Teachers' dormitory built in 1990, biology cram school with old ceiling fans squeaking. The two became tablemates. They found that line of pain threshold in each other. "The upper limit of pain varies from person to person, but love can push the threshold infinitely higher."