Transmigrate to Douluo, Protecting the One I Couldn't Let Go

The heroine is Su Nian'an, an original character, and the male lead is Chrysanthemum Douluo Yue Guan. She transmigrates into Douluo Dalu, joins Spirit Hall, and unifies the continent. The heroine saves the characters whose tragic fates left her heartbroken and gives them happy endings. This book is under contract. Do not plagiarize.