If you're looking for anime similar to I Am the Real One, you might like these titles.
Wealthy heiress Catarina Claes is hit in the head with a rock and recovers the memories of her past life. It turns out the world she lives in is the world of the game Fortune Lover, an otome game she was obsessed with in her past life... but she's been cast as the villain character who tries to foil the protagonist's romances! The best ending the game has for Catarina is exile, and the worst, death! She'll have to find a way to avoid triggering the flags of doom, and make her own happy future! The misunderstanding-based screwball love comedy now begins!
My recommendation is this Anime, because there the Female lead is a rebirth from a girl in modern times.
Best boss ever, prodigy of the business world, genius creator, visionary of the century. These are the descriptions used for Pei Qian, President of Tengda Corporation. Ever since his rebirth, Pei Qian finds himself in possession of a system that rewards him if he manages to lose money. Instantly, a brilliant idea comes to mind — making crappy games!
Jill is sentenced to death by the crown prince, her fiancé. But just before she dies, she’s sent back in time six years to the party where their engagement had been decided. To avoid this route of ruin, Jill immediately proposes to the person standing behind her…but it’s the man who was her greatest enemy, Emperor Hadis?! Jill knows all about his future descent into evil. She quickly retracts the proposal, but the delighted Hadis takes her back to his castle and makes her a meal. Completely won over by the food, Jill makes a life-changing decision… “I’m going to reform—no, I’m going to make you happy!” It’s time to redo this life with the enemy!
Rishe, the duke’s daughter, is no stranger to reincarnation—it’s her seventh life, after all. Each life restarts at her broken engagement. Having been a merchant, a maid, and a knight, she now desires leisure. But her world changes when a prince, who killed her in a past life, proposes! To prevent war and live to a ripe old age, she begins her seventh life as the bride of an enemy nation’s prince.
A warp in space-time occured because of the Space-Time Demon Spirit Book, and Nie Li, who should have died in an ambush by God-rank Demon Beasts, awoke to find himself sitting in a classroom. He had returned to his 13-year-oid self. Everything had been reset. How will he protect his true love now?
After a grueling battle, the magic knight Kyle finally defeats the demon lord... or so he believes. He wakes up to find himself in the land that had been destroyed in his past life. He is reunited with the precious person he thought he had lost forever. To stop the human world from being destroyed again, along with his friends, Kyle uses his memory from his previous life to once again save the world! A fantasy saga about a brave knight!
The villain Ling Chen has a history of hate and violence with the hero, Ye Zimu. Out of nowhere, a reset triggered Ling Chen to return to when he was 17 years old! He has a chance to stop the hero in his path, before Ye Zimu grows to become his worst enemy...
A young galaxy is crumbling and their queen is in a deep slumber - but there is hope, for according to prophecy a young girl will become the "Etoile" and save them. Shipping one hundred talented girls to their land, the queen and her nine guardians look for the Etoile to no avail - save for one: Angelique, an insecure and clumsy girl from the countryside. It is she who is destined to fulfill the prophecy. Eventually Angelique accepts her fate, but with so many obstacles to overcome and with doubts in her heart, can she succeed in saving the galaxy?
What’s a guy to do when his life suddenly changes while innocently enjoying a nice, cold drink after work? And I mean really changes. This middle-aged commoner now finds himself in the body of Liam Hamilton, the young son of a noble house teetering on the brink of collapse. Between his fervidly desperate father and his utterly apathetic brothers, the only bright side to his new situation is that Liam can finally try learning magic like he’s always wanted. Little does he know his hobby of choice may be about to turn his life upside-down yet again! Will Liam be able to master the craft of magic? And will it be enough to save him from the shadow looming over his family...?
Jihyun is a master surgeon at the peak of her medical prowess. She’s made it her life’s mission to save lives in order to atone for the sins of her past life, but her dreams are cut short when her plane crashes in the middle of the Pacific. When Jihyun wakes up, she finds herself back in her first life as Elise de Clarence - the haughty nightmare of a girl who brought on her own tragic end. The new Elise, however, still has time to set things straight - with her newfound medical knowledge, the reformed Elise sets out to right the wrongs of her tragic first life!