Hard to say. You'd have to look closely at the story and the interactions between the characters to determine if that's the case. Maybe there are clues or indications throughout the manga that would clarify it.
Overall, the 'W Pinch' manga plays a crucial role in shaping the anime. Many key elements, like plot twists and character traits, are drawn from the manga. However, there might be some minor adaptations to fit the animation format and viewer preferences.
Below One Man's manga catalog information. According to the documents [1],[3], and [4], the content of the manga under One Man included different chapters and chapters. The specific chapter and chapter titles can be found in documents [1] and [3]. However, due to the limited information provided in the search results, it was impossible to provide a complete list of comics under one person.
At present, it was impossible to determine if the manga " Under One Person " had been completed. The document [1] mentioned that the author had already told half of Jia Shen's story, but one person's story could continue to be drawn, and there could be many twists and turns. In the document [2], it was mentioned that Under One Man 5 had ended, but there was no explicit mention of the manga. The document [3] indicated that the manga was not finished yet. It was currently updated to the 28th chapter of the second season. The document [5] mentioned that the manga was still in the midst of being serialized. It had been updated to 700 chapters and could be read to 131 chapters, but there was no news of the end. Therefore, based on the information provided, it was impossible to determine whether the manga " Under One Man " had been completed.