After he took over the organization however, Geto singled out Shigeru Sonoda, the leader who had commissioned Toji Fushiguro and killed him in front of the entire organization as an example.

Source: https://www.cbr.com/jjk-s2-suguru-geto-evil-cursed-technique-backstory/

But now he's made things harder for Yuji and the others to escape as a new rule has been added to only end the Culling Game when all players other than "Suguru Geto" and "Megumi Fushiguro" are killed.

Source: https://comicbook.com/anime/news/jujutsu-kaisen-culling-game-end-how-explained/

Fans might have overlooked their presence in the trailer thanks to the surprise introduction of one Toji Fushiguro.

Source: https://www.cbr.com/jujutsu-kaisen-season-2-release-date-trailer-updates/

Satoru Gojo, his new mentor, teamed Yuji up with the sorcery student Megumi Fushiguro and then added Nobara Kugisaki to round out the team, and they've been a fine anime trio ever since.

Source: https://www.cbr.com/anime-best-trios-all-time-ranked/