Watch Betrothed to My Sister's Ex Season 1 Episode 1 Online
“I Could Never Replace My Sister” — Watch "Betrothed to My Sister's Ex" Season 1 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.
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Season 1 Episode 1 — Aired on Jul 5, 2025 • runs about 25 minutes.
Directed by Takayuki Kitagawa.
Written by Kenta Ihara.
Notable cast/guest names in this episode include Rena Motomura, Daiki Hamano, Minami Tanaka, Ryohei Kimura.
This page includes 6 official still(s) (when available) plus legal availability links.
Looking for “watch Betrothed to My Sister's Ex Season 1 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
Marie is always dressed in tatters and is treated like a servant in her own home. Then she meets Count Kyros.
Stills
Cast
as Marie (voice)
as Kyros (voice)
as Anastasia (voice)
as Louisphon (voice)
as Mio (voice)
as Ryu Ryu (voice)
as Toppo (voice)
as Thomas (voice)
as Tunica (voice)
Episodes – Season 1
Trailer / clip
There�s no trailer available for this series right now.
