Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
He also took it from his younger brother in utero, so that explains why Yoichi was born so sickly.
Source: https://comicbook.com/anime/news/my-hero-academia-all-for-one-backstory/