The official YouTube channel for singer-songwriter Miyu Kumagawa's solo project, Myuk , has started streaming a music video for its 17th digital single song "Marie" ("Dear Marie"), which is now featured as the ending theme for the summer 2025 TV Betrothed to My Sister's Ex . This song was written, composed, arranged, and produced by vocaloid song producer and singer-songwriter Guiano as his fourth collaboration with Myuk. Kumagawa's clear voice colors the theme of the song, “Remember, You're Beautiful,” which is an anthem for human beings. Myuk "Marie" Music Video Betrothed to My Sister's Ex Creditless Ending Video Miyu Kumagawa was born in Kumamoto Prefecture in 2001 and started writing songs with an acoustic guitar after being saved by music when she was in elementary school. At the age of 15, she performed at the Kumamoto circuit event HAPPY JACK, then released her original songs on Spotify and J-WAVE, and finally performed at FUJI ROCK FESTIVAL at the age of 18. In December 2020, she launched Myuk as her solo project to expand the scope of her expression beyond being a singer-songwriter. As Myuk, she has provided theme songs for THE PROMISED NEVERLAND TV anime 2021, The Concierge anime feature film and Butareba -The Story of a Man Turned into a Pig- TV anime in 2023. "Marie" released digitally on July 5. "Marie" digital jacket Myuk artist visual RELATED: Betrothed to My Sister's Ex Anime Announces Three New Cast Members The TV anime adaptation of Tobirano's romance light novel series Betrothed to My Sister's Ex premiered in Japan on July 4, 2025. The anime's Episode 1 " I Could Never Replace My Sister" is now available for Crunchyroll Premium members in North America, Central America, South America, Europe, Africa, Oceania, the Middle East, CIS, Indian Subcontinent and Southeast Asia. Crunchyroll describes the anime series as such: Marie, the second daughter of a poor baron’s household, is treated like a servant by her parents. Even at Marie’s birthday party, her beautiful elder sister, Anastasia, is the star. Outside, Marie bumps into Count Kyuros Granado, who falls for her at first sight. Yet, due to a misunderstanding, the Count proposes to Anastasia. After a tragic accident, Marie must marry the count instead! Source: Myuk official YouTube channel
