Transmigrate into a Book: Please Spare Me, My Yandere Husband

Military doctor Su Li transmigrates into a book and becomes the legitimate daughter of Chancellor Su of the Great Spirit Dynasty. She is also the first person the male lead, Tang Hezhi, seeks revenge on after his descent into darkness. Poor Su Li somehow ends up as a cannon-fodder character. What sparks will fly between the sickly, possessive male lead and Su Li, a transmigrator with a System? In the original novel, the male lead felt nothing for women. Will he still keep his heart frozen this time?