ReLIFE tells the story of Arata Kaizaki, a 27-year-old who is struggling to find his place in the world.
He's offered a chance to redo his high school years through a strange experiment.
Using a mysterious pill, he transforms back into a 17-year-old and must attend high school again as a transfer student.
Arata quickly discovers that being a teenager again is much harder than he remembers and faces unexpected challenges.
He has to navigate the unfamiliar modern school environment while being observed by a researcher.
The anime follows Arata's journey as he tries to learn from his past, adjust to his new life, and connect with his classmates.