Go Back Five Days

How I wish there was a regret medicine in the world. Even if there is no regret medicine, time can go back... Ah, time seems to be really reversed! The protagonist Bai Rina is a girl who does things regardless of the consequences, but often regrets after doing something. She often laments why there is no regret medicine. One day, she suddenly gained an ability! Although she didn't get the regret medicine, she could turn back time five days! What will she do with this ability? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.