Full cast of Betrothed to My Sister's Ex

Rena Motomura

Marie (voice)

12 episodes

Daiki Hamano

Kyros (voice)

12 episodes

Minami Tanaka

Anastasia (voice)

12 episodes

Ryohei Kimura

Louisphon (voice)

12 episodes

Yoko Hikasa

Mio (voice)

12 episodes

Sayaka Ohara

Ryu Ryu (voice)

12 episodes

Tetsuya Kakihara

Toppo (voice)

12 episodes

Tatsuyuki Kobayashi

Thomas (voice)

12 episodes

Yuuka Aisaka

Tunica (voice)

12 episodes