The official YouTube channel for singer-songwriter Keina Suda, also known as vocaloid song creator balloon, has posted a music video for his latest digital single song "Rubble," which has been featured as the opening theme for the summer 2025 TV anime Captivated, By You . Keina Suda "Rubble" Music Video Captivated, By You Creditless Opening Video While performing as a vocaloid song creator, Keina Suda made his professional singer debut as himself from Warner Music Japan's unBORDE label in January 2019, and has provided theme songs for Fire Force , Shadowverse Flame , Skip and Loafer , and TSUKIMICHI -Moonlit Fantasy- . "Rubble" released digitally on August 20. The anime's official website shared Suda's following comment on the song: I am Keina Suda, and I wrote a song called "Rubble" as the opening theme for the TV anime "Captivated, By You." I've been reading the manga since it was first released, so I feel it's a happy coincidence. I think it is the people that come to mind in our everyday lives that shape our minds. It is surely an important existence. I'm looking forward to seeing how the unique atmosphere of the original manga is expressed in the anime. Keina Suda artist photo RELATED: Captivated, By You Anime Ending Song Music Video Streamed The TV anime adaptation of Yama Wayama's Captivated, By You manga premiered in Japan on August 21, 2025. Crunchyroll streams the anime for members in North America, Central America, South America, Europe, Africa, Oceania, the Middle East, CIS, Indian Subcontinent and Southeast Asia. Crunchyroll describes the series as such: Joji Ema goes to an all-boys school. After the school’s athletic festival, Ema’s eccentric classmate Miyoshi Hayashi starts acting bizarrely towards him. Yuichi Medaka goes to a coeducational high school. He ends up sitting behind Akira Nikaido, an unsettling student most of the school doesn’t like. Explore an omnibus of stories about what it’s like to be young. Source: Keina Suda official YouTube channel
