The Devil’s Body Temperature

The Devil’s Body Temperature summary:

Bei Yao, a cheerful four-year-old, was reborn into 1996 and found herself living next door to a boy destined to become a formidable villain in the future. This boy, Pei Chuan, was only five at the time, confined to a wheelchair and deeply insecure.
Years later, when they were teenagers, Bei Yao had blossomed into the school's most admired beauty. Despite her popularity, Pei Chuan remained guarded and distant. When Bei Yao confessed her feelings for him, he reacted with a mixture of fear and longing.
Having known each other for two lifetimes, Bei Yao was determined to understand the complexities of Pei Chuan's character. As their bond deepened, she discovered a sensitive and vulnerable soul beneath his tough exterior. Their story is one of a healing love that blossoms between childhood sweethearts, as Bei Yao's warmth gradually melts away Pei Chuan's emotional barriers.