Movies and TvShows featuring "age-regression" theme.

A doctor and his recently-deceased patient are reborn as twins to a famous Japanese musical idol and navigate the highs and lows of the Japanese entertainment industry as they grow up together through their lives.

After years of experiments, three researchers finally create Ninja-Gum. This substance awakens dormant power within people descended from ninjas, but its creation isn’t without consequences and will lead them to the mysterious Ninjala Tournament.

After dying of overwork, a woman is reincarnated in another world where she becomes an immortal witch. She spends the next 300 years killing slimes for fun and to max out her level. Living a peaceful and laid-back life in a rural town, she forms a found family with other magical beings and has various adventures.

The story took the nine dragons and the coffin as an introduction and brought out a huge world of primeval ages. Climbing the sky road, and singing songs, to see how Ye Fan shrouding the heavens.

18 Again is a Korean drama series that tells the story of a 37-year-old man who magically transforms into his 18-year-old self. As he goes back to high school, he gets another chance to fix his mistakes, rediscover his passions, and reconnect with his family.

After dying in a landslide, a young book-loving girl named Urano is reborn in a fantasy world where books are a luxury. Determined to fulfill her dream of reading as many books as possible, Urano becomes Main, a frail and sickly five-year-old girl born into a poor family. With her knowledge of modern culture and a burning passion for books, Main sets out to create her own library in a world where books are scarce.

In Gun Gale Online, a popular virtual reality game, one player finds herself on a thrilling adventure as she participates in a high-stakes battle-royale tournament. With a traumatic past, she must overcome her fears and forge new friendships while facing intense gunfights and challenging obstacles.

Iruma Takumi finds himself caught up in a hero summoning, even though he’s not a hero. Summoned by mistake to Mildgard, a fantasy world of swords and magic, Takumi is given a chance to start over. Though he dreams of a peaceful life, the goddess Nolyn grants him “alchemy,” an ultra-powerful skill that allows him to create anything from holy swords to flying ships. His reluctant adventure begins!

After a tragic accident, an ambitious prosecutor finds himself with the mind of a child. To mend their relationship, he and his mother embark on a journey of healing.

Scrat, the saber-toothed squirrel, inadvertently sets off a chain of events in his pursuit of an acorn. This leads to a meteor shower threatening to destroy the Ice Age world. Manny, Sid, and Diego embark on a journey to find a way to stop the impending catastrophe.

Comedy OVA series based on the Type-Moon Gag manga, Take-Moon. It focuses on funny and absurd situations happening to the various characters of the Type-Moon franchises, mostly from Fate/stay night and Tsukihime.

Making up for her sins in a past life as the evil princess Elise, Aoi Takamoto dedicates her life to saving people as a doctor. But a fatal accident cuts her atonement short, and suddenly, she's back to her previous life, 10 years before her death! Will her foresight and medical brilliance help her change her past ways and heal an ailing empire, or is fate doomed to repeat itself?

Shouzou and Ine Saitou have been happily married for as long as they can remember. Even in their old age with wrinkles and cracking limbs, the strength of this love is evident in their precious bond. And then, one day, they wake up to find they are young again! Despite their newfound youthful and attractive bodies, Shouzou and Ine remain the same as ever.

A recluse takes the opportunity to enter another world, but his status there as an overpowered hero makes his desire for a quiet life difficult.

The craftsman Saitou has never felt special in his life. When he is transported to a medieval fantasy world, he gathers a group of unique creatures around him in order to survive.

After a rebellion overthrows the Tearmoon Empire, Princess Mia meets her demise by guillotine at just 20 years old. She awakens eight years in the past, given a second chance at life. Haunted by her memory of the guillotine, the princess sets out to rebuild the empire and prevent a return to fate. Can the selfish princess learn to be a selfless leader, even though she’s trying to save herself?

Just when it's the end, Desir wakes up 13 years in the past. Can he make the changes needed to save the world from destruction?

When the mysterious Shiriri turns his parents into children, Shin-chan must trek across Japan to help return them to adult form.

In 'Coda,' a lost soul embarks on a journey to find its way back home, encountering various challenges and discovering the true meaning of life and death along the way.

After 35 years as a villain, Ling Chen "initialized" his reset-rebirth to 17 years old during his final conflict with Ye Muxue! What? Do you believe he longs to revert to humanity? Speak less! Naturally, since Ye Mu wasn't superpowered at the moment, it was time to murder him!