Re:Zero Season 4 Reopens the Question of Whether Subaru Is Flugel
The theory is no longer a fringe reading; the anime is now foregrounding the same clues the light novels laid down across multiple arcs.
Reporting from 1 sources: Animehunch.
Animehunch examines the long-running theory that Natsuki Subaru is the Sage Flugel, citing evidence from the current season of Re:Zero. Shaula identifies Subaru by scent and speech patterns, and a tree Flugel planted 400 years ago bears a message in Japanese kanji that reads "Flugel was here." Subaru had the same urge to carve his name on it.
Animehunch walks through the case that Subaru is Flugel, and the timing is not random. Season 4 of Re:Zero, which began airing in 2026, introduces Shaula, a character whose entire identity is built around her master Flugel. She recognizes Subaru instantly by the witch's miasma on him, and she says his speech and forgetfulness match Flugel's. The article also revisits a detail from Arc 2: Subaru doodled his name in Japanese on a parchment. Four hundred years earlier, Flugel carved "Flugel was here" in Japanese kanji into the tree that Subaru later used against the White Whale. The show is now putting those pieces in front of viewers directly.
Synthesized by Yomimono from the 1 cited source below, including Japanese-language reporting where cited, then editorially reviewed before publishing.