Lin Zhe, a 21st-century college student, transmigrates into the body of a 6-year-old child. He wakes up in a room decorated with images of Action Kamen, confirming his presence in the world through the Nohara family's house number and the streetscape of Kasukabe. Shocked and bewildered by his childlike reflection in the mirror, he simultaneously receives the original owner's memories, learning that he is a transfer student at Futaba Kindergarten, thus beginning his new life in Kasukabe. ...