One Piece Episode 537 -

: After Shirahoshi is discovered outside her tower, the Ryugu Kingdom guards and royal family mistakenly believe Luffy has kidnapped her.

One Piece Episode 537, titled continues the Fish-Man Island Arc. The story focuses on Monkey D. Luffy protecting Princess Shirahoshi from the relentless attacks of Vander Decken IX. Key Story Beats One Piece Episode 537

: Upon finally seeing the legendary beauty of the "Mermaid Princess" Shirahoshi, Sanji suffers an extreme, comedic nosebleed that nearly proves fatal due to his long deprivation of seeing beautiful women during his training. : After Shirahoshi is discovered outside her tower,

: Chopper and the others must scramble to save Sanji’s life after his massive blood loss. : The episode further develops the looming threat

: The episode further develops the looming threat of Hordy Jones and his New Fish-Man Pirates as they coordinate with Vander Decken to take over the Ryugu Palace. Context in the Series

: Vander Decken IX, using his Mato Mato no Mi (Target-Target Fruit) powers, launches several axes and weapons toward the princess. Luffy intercepting these attacks to protect her is a central action sequence of the episode.