Why did Sanji “betray” Luffy in One Piece?

Whole Cake Island was a very important arc for One Piece fans, since it tested the true companionship between Luffy and Sanji.

Betrayal on the Grand Line

One Piece: All Straw Hat Pirates Character Guide - Crunchyroll News

Vinsmoke Sanji, All Worlds Alliance Wiki

Why did Sanji “betray” Luffy in One Piece?

One piece of fandom — Reasons to love Mugiwaras - Sanji

5 One Piece betrayals that broke everyone's heart

One Piece' Live Action Review, Season 1, Episode 6

Why Did Sanji Betray Luffy? The Straw Hat Crew's Resolve - OtakuKart

In One Piece WCI arc, should've Sanji said 'always doubted someone like you would become the king of pirates' to Luffy even if it wasn't his true feelings? - Quora

One Piece: 10 Ways Sanji Is Luffy's Best Crewmate

Do you think there's any circumstance where luffy would betray someone? : r/MemePiece

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