2022 · Ep 5: Ghislaine comes to the rescue! Watch Mushoku Tensei on Crunchyroll! https://got.cr/Watch-MTJR5 Crunchyroll Collection brings you the latest clips, OPs, and more from your favorite anime!. Ghislaine Dedoldia is the daughter of Gustav the former Dedoldia village chief, and the mentor of Eris and she is also the student of Rudeus Greyrat in magic and other subjects. She is one of the few people who have become a Sword King.