Could you introduce a good book that was slightly sour? Thank you for the recommendation!

"Yu Gan is very bitter, but you are super sweet." This book is a modern romance novel written by the author, Jiang Meiren. The general plot of this novel is as follows: Yu Gan is a kind of traditional Chinese medicine, slightly bitter in nature, can cure people. Yu Gangan was a junior doctor who was good at Chinese medicine and knew how to save people. Fang Zhihan was a young master, so he was very interested in Yu Gan,'Yu Gan is my life-saving medicine and Yu Gangan is my wife. I won't accept any rebuttal!'。 ---------------------------- "The Black-bellied Young Master's Proud Wife" was a modern romance novel written by the author, Sweetheart Siya. The general plot of this novel was: Qin Rui turned around. His sword-like eyebrows and star-like eyes seemed to have watery ripples in them."I don't always see things clearly. You frown and smile bitterly. I don't often tell you all the joy and pain in my heart, but we appreciate each other in each other's lives. After the hug, I saw off…I planted the seed you gave me in the sky. Your warm gaze was as bright as the sun. Although I was hurt, hurt, and tortured, I was still unyielding. In the end, I had no choice but to obey God's will…When I experience joy, anger, sorrow, and joy and want to share them with you, please let me hold your hand and accompany you to bask in the sun. Staring at each other in different spaces, calm and silent as usual. I understand the watchful look behind your deep gaze. There's no need to say anything…We already understand each other." ---------------------------- "Master Mu's Little Wife" was a modern romance novel written by MDSSS. The general plot of the novel was: One day, the man was asked,"Mr. Xu, what do you usually like to do?" The man smiled evilly."Teasing Mumu." Everyone: "...""What do you like to eat?" "Mumu""...""Then is the person you like Miss Mu?" The man looked serious as he said,"No, I love her." Mu Zhi 'ai thought,"Didn't you say that you're going to be cold and aloof?" But now it's completely out of bounds [Sweet text + sweet text, still sweet text]. ---------------------------- 'Xuxu is Like My Heart' was a romantic and rebellious novel written by Qin Liangyi. The general plot of the novel was: "Aren't you quite cold?" "Being cold is to others, but to you, it's special." "How do you know that I will definitely like you?" "I'm determined to get you." It was only when he arrived that she realized how wonderful it was to like someone. Coincidentally, he had the looks that she liked. She had never been so moved by a person's decision. "I want to be a family with you, sharing the same fate." he said. Gao Tian Daily, giving lemons online ~~ ---------------------------- "Prince Charming is a Girl" was a modern romance novel written by the author, Miss Wei. The general plot of this novel was: Wall Crack recommended a new article,"My lovely wife is above, my sweet pet!" After her rebirth, she had become a black-bellied, obscene…oh no, black-bellied, and flirtatious young master. Occasionally, he would abuse scum, tear apart white lotuses with his hands, and be a winner in life. He had thought that he could have three thousand beauties around his knees, but he had accidentally provoked a black-bellied person. From then on, his spring nights were short and his limbs were weak. One day, a reporter asked,"Young Master, may I ask what is the secret to your success?" Tang Wei smiled but didn't say anything. With a cheat in her left hand and a loyal dog husband in her right hand, if she did not reach the peak of her life, she would have wasted this damn rebirth! --------- The ending of the recommended girl article,"Hello, the school hunk!" Cross-dressing as a man + sweet pet + one-on-one, welcome to the pit O(Empyrean Empyrean)O. ---------------------------- "Don't be too childish, childhood sweetheart" was a modern romance novel written by the author, Yi Xinzhou. The general plot of this novel was: The new book "Sour Citrate, You're Very Sweet" is online. Everyone is welcome to come and watch! This was a story of childhood sweethearts, a story of a sibling's love, and a story of a secret crush on Cheng Shang. ---------------------------- "The Tsundere Prince Charming Is Super Sweet" was a modern romance novel written by Ben Dan Qian. The general plot of this novel was: [Favorite article, high sweetness!] If one were to ask Yu Qingqing what her favorite thing was, she would definitely say "Bo Shaohan" without hesitation. This man had given her endless love and let her see the sun and flowers everywhere. In this life, I only want to be with you." ---------------------------- "Tsundere Prince Charming, a gentle kiss!" This book was a modern romance novel written by the author, Fresh Taro Yuan. The general plot of this novel was: Ruan Mianmian, a failed online writer, woke up to find that she was unexpectedly reborn. Moreover, she was reborn into a parallel world similar to Earth, which triggered a literary storm…Her novels,"Hello, Old Times" and "The Best of Us", brought a long-lost breeze to the originally melodramatic, decadent, and world-destroying youth novels. Her novels,"Legend of Zhen Huan","Legend of Ruyi", and "The Golden Branch Desire Sin", were regarded as the founders of the ancient saying of palace fights. Her novels,"A Smile Is Alluring" and "Shanshan, Come and Eat," were considered the sweetest online dating novels by romance novel fans. Her novel,"The East Palace," was heart-wrenching and heart-wrenching. It was considered the most heart-wrenching existence in ancient novels. In this world where the cultural entertainment industry was highly developed and the legal rights were deeply rooted in people's hearts, Ruan Mianmian was firmly at the top of the female novels. While she had written many well-known classics, she had also obtained a happy marriage and became the favorite of the big shots in the entertainment industry! ---------------------------- "My Wife, You're My Hopelessness" was a modern romance novel written by the author, Like a Dream. The general plot of this novel was: Beauty plus filter: It was said that the famous pianist, Yan Qichen, was taken. This news made the fans of Yan Qichen die. In the end, it was that shameless little b * tch who got her hands on my Prince Charming. Eh, this girl isn't that good either. Is my idol blind? Jiang Shu cried silently."Don't belittle me like that. Sob sob sob, I'm so sad. I need a candy to comfort me." "Baby, your sweet candy is here. Please sign for it." The shameless man smiled sweetly. I am your most unique sweet candy. Male and female pig feet inner version: I just casually gave him a candy, why is there a large leg pendant on my leg? I really want this leg pendant, what should I do? Everyone says that the leg pendant is sick. I also think that he is sick, and it's the kind that can't be cured. "Do you know that you're sick?" Jiang Shu looked at the leg pendant that was holding onto his hand and refusing to let go. "I know I'm sick, but you're my medicine. I'm hopeless. I'm your medicine." A certain leg pendant was staring at a certain heartless woman affectionately. I used to think that the world was barren, until your appearance made my world bloom in an instant. I'm your leg pendant. I admit that I'm only willing to be your favorite leg pendant forever. Author's Version: Believe me, it's definitely very sweet, the kind that's so sweet that it's greasy. Of course, there will be occasional sourness to adjust the taste. This was a sweet history book that made the lemon spirit cry, and a feeding manual that made single dogs eat their fill. Please raise the flag of the Magma Couple and laugh with me… ---------------------------- The book,"My Study God is Super Sweet," was a romantic youth-youth campus novel written by the author, the rabbit milk cat. The general plot of the novel was: Su Tian was very embarrassed to meet the study god by chance! Since then, the frequency of coincidences with the study god seemed to have increased…[Cafeteria Meal] The study god said,[Classmate, let's share a table.] Su Tian,"...[Field morning run] Student God: Classmate, can I borrow some water?" Su Tian was speechless. [Qixi Festival] Student God: Classmate, let's go on a date. Su Tian was speechless. [After marriage] Who said that the study god was pure and cold? [Off-topic]: The sultry study god vs. the chuunibyou idiot. Both male and female protagonists are not perfect. The person who truly loves you not only loves your bright and beautiful appearance, but also loves your dark and ugly interior. I recommend Mother Rabbit to finish her short story,"There's always a monster that wants to eat him."