If you're looking for anime similar to Ascendance of a Bookworm (Light Novel), you might like these titles.
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...?
One day, average salaryman Yamai Zenjirou has an out-of-this-world experience—literally! He's pulled from Earth and dragged to another world where magic thrives and a gorgeous, powerful queen needs a consort. Now he's being pressured to marry that very monarch and help her bear a child. Will Zenjirou accept this life of lazy, luxurious love at the cost of leaving his home behind?
Mitsuha is an 18-year-old girl who’s often mistaken for a middle schooler due to her childlike face and small stature. The story begins when she loses her parents and her older brother at the same time in an accident and ends up all alone in the world. She fails her university entrance exams due to the shock of losing her family. There are people who are after her parents’ insurance money. She doesn’t know whether she should go to college or start working. There are also lots of expenses to worry about, including living expenses and the cost of maintaining the house. One day, as she worries about how she'll survive, she’s given the “World Jumping” ability by a mysterious being that allows her to go back and forth between “this world” and an “isekai”! Now that she has this ability, she comes up with a plan for the future in which she saves 1 billion yen in each world for a total of 2 billion yen (80,000 gold coins)!
When pharmacologist Kanji Yakutani dies, he probably wasn’t thinking he’d be reincarnated as a boy apprentice in a medieval world. The distinguished medical researcher finds himself now surrounded by quack medicines swindling the common good. With his past experience and a new set of supernatural powers, he’ll go from cutting-edge medical technology to now reforming healthcare for all!
Kozo Yukawa loves hot springs! He’s a hot spring hunter that can sniff out the very source of them! One day, in an effort to bring notoriety to a small town, he goes out searching for a secret hot spring, when he slips off a cliff! After perishing in the fall, he is reincarnated into another world by a fox god. Kozo is not reincarnated alone, and is joined by the messenger princess of the fox god, Mayudama. Smelling the stinking, rotting egg smell of a nearby hot spring, he runs to jump in along with Mayudama. That’s when an elf girl appears… who proceeds to attack them! After resolving their differences, Kozo decides to spread the knowledge and wonders of hot springs throughout his new world! Encouraging people to take off their clothes, soak in the hot water, and heal the whole world!
A genius programmer and hardcore robot otaku is reborn into a world of knights and magic, where huge robots called Silhouette Knights roar across the land! Now reborn as Ernesti Echevalier, he uses his vast knowledge of machines and programming talents to begin to make his ultimate robot. But his actions have unexpected results...?! The dreams of a robot otaku will change the world!
The second season of The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat.
"I became the spirit of elements when I reincarnated?!" Ellen is a young girl reincarnated from modern-day Japan as a half-spirit. Her father, Rovel, is the legendary hero who saved the kingdom, and her mother, Origin, is the primordial queen and ruler of all spirits. Furthermore, she herself has the overpowered ability to manipulate the elements. While looking absolutely adorable, this perfect little girl will fall back on her past life's knowledge and the power of the spirits to protect her precious family!
With the subjugation of the Principality of Amidonia accomplished, Souma, the provisional king, begins the post-war cleanup process with his next move, Project Lorelei. It is an entertainment program that uses the Jewel Voice Broadcast. It was originally only thought that this program would amuse the people of the Kingdom, but it is being broadcast in occupied Van, too. What does Souma hope to accomplish with that...?! Then, when Souma takes some time off to rest in the capital of Amidonia, Van, with Juna and Tomoe, he encounters Jeanne Euphoria, the younger sister of the Empress of the Gran Chaos Empire. What sort of "negotiation" does the "realistic" Jeanne, who supports her idealistic sister, have in store for Souma...?!