Lu Fan Fan is Liu Ruo Chen's personal nutritionist. She fell in love with him after many years of getting along. When Lu Fan Fan confessed her love to him, she was rejected. Three months later, she resigned as Liu.

Liu Ruochen (Yang Ting Dong) is a lawyer who suffers from anorexia. He has hired a personal nutritionist named Lu Fan Fan (Gong Wan Yi) to help him overcome his anorexia. She has attempted to prepare a whole host of delicious meals for him and has honed her culinary skills, but nothing appears to pique his interest. Their professional relationship has turned into something of a close friendship in the years they have known one another. She feels that this could turn into love, and that she feels romantically attracted to him. So one day, aged 33, she confesses her secret... But things couldn't have turned out worse. He rejects her advances, so she quits. Three months later, she has decided to start living in a new house, as part of an attempt to make a fresh start and put Liu Ruo Chen behind her. But the toilet of this new house hides an unexpected secret. When she falls asleep in this room, she is suddenly transported back 12 years into the past. She meets Liu Ruo Chen again, back when he was just 20 years old - and wasn't suffering from anorexia. Will she hit it off with the "past" version of Liu Ruochen?—Rakuten Viki

Nutritionist Lu Fanfan has been trying to cure lawyer Liu Ruochen of anorexia. However, there's an unexpected incident that causes Fanfan to travel back in time 12 years earlier. In a parallel time and space, Liu Ruochen (Yang Tingdong) sheds his cold and mature persona to appear before Lu Fanfan (Gong Wanyi) as a younger man. Wanting to solve the mystery in order to return to the future, she decides to get along with Liu Ruochen and stays by his side as his "future girlfriend." As their relationship heats up, Lu Fanfan becomes accidentally involved in a case where Liu Ruochen has to try and save her.—ChineseDrama.Info

Lu Fan Fan works as a personal nutritionist. As a favor to her friend, she goes for an interview to work for Liu Ruo Chen, who suffers from an eating disorder. After a whole day of cooking for him, she still gets rejected. Her friend decides to cheer her up and rents a hotel suite for them to relax and have fun. As Lu Fan Fan gets ready to sleep, a sudden power cut makes her leave her room in search of help. While walking through a door in the corridor, she suddenly gets transported back 12 years to the past and meets the 20-year-old Liu Ruo Chen. Confused and alone, Fan tells him that she is his girlfriend from the future and asks him to help her save her family and fix the mistakes of the past that affected her future life. But danger awaits those that interfere with space and time - as enemies from the future threaten their past - can the budding romance between Fan Fan and Ruo Chen stand the test of time and flourish in this parallel universe?—MyDramaList

This tells the story of Lu Fanfan, a genius nutritionist, who accidentally returned to five years ago because of a Fermi bubble accident. There, she met Liu Ruochen, who was not yet a well-known barrister at this time yet. Liu Ruochen fell in love with this kind and innocent girl at first sight, and even rushed into the fire to save her regardless of his own safety. . Because of this fire, Lu Fanfan understood that her return from this trip might be the chance for her to start over. Afterwards, Lu Fanfan and Liu Ruochen joined hands to rescue Lin Yingzi, who had been suffering from domestic violence for many years, and helped the new generation idol singer Qian Mingyue undo the knot in his heart. Just when Liu Ruochen summoned the courage to confess to Lu Fanfan, an accident and a long-planned crisis was slowly approaching. Lu Fanfan was attacked and lost her memory and disappeared for no reason. Liu Ruochen died in an explosion, and his friends were in danger one after another. What happened? Who is the mastermind behind these? It all starts here.—iQ