My answer did not provide enough information. Can you provide more information about this person, such as his character name, which work he appeared in, which historical period, etc.? This way, I can better help you answer your questions.
The situation of anime characters transmigrating to another anime did not exist in real life, but it might happen in some novels and comics. For example, in some novels or comics, the protagonist might travel to another world in some way and become another character there. This situation was usually used to enhance the storyline of a novel or manga and to provide more background and experience for the characters. However, this plot was not a real situation in the real world. It was just a fictional plot.
Under One Person was a Chinese cartoon, and under one person referred to Zhang Sanfeng, one of the founders of Taoism. In the novel, Zhang Sanfeng was the founder of Taiji Fist and was hailed as a Taoist genius and had a very high status in the martial arts world.
I can't confirm the origin of the person you're referring to. Please provide more information such as the name of the character, the type of character, the background of the story, etc. so that I can better help you answer your questions.
[Under One Man animation has ended.] According to the description in the second document, the fifth season had already ended, and it had received a double harvest of traffic and word of mouth. In addition, the ending of the fifth season was also mentioned in the third document. The trailer video had been released, and the plot was very clear. Therefore, it could be confirmed that Under One Man had ended.
There were three seasons of anime under one person. The first season was released on July 8, 2016, the second season was released on October 27, 2017, and the third season was released on April 24, 2020. In addition, there was also a side story. Therefore, the corresponding anime under one person was the first, second, and third seasons.
I recommend the following two good anime novels: 1. " My Substitute is Steve " was a light novel by Moon Perching Blue. The story told the story of the protagonist's fate being severely damaged in order to save his sister, and the fire of life in his previous life was extinguished. 2. " The Martial God of the Marvel World ": This novel tells the story of two lovers who were forced to be separated and finally reunited in this life, but one of them lost the memory of his previous life. 3. Sleep With Me: This novel tells the story of Hazel Polkin and Garland Neuss.
The fifth season of " Under One Man " ended. There were a total of 12 episodes in the fifth season, and the trailer for the finale had already been released. Although there was no specific end date, it was certain that the animation had ended.