Japanese singer-songwriter Keina Suda, known for his Vocaloid roots as Balloon, ignites emotions with his latest single Rubble (ラブル), released on August 20, 2025, as the opening theme for the anime Captivated, by You (夢中さ、きみに。). This bittersweet, mid-tempo pop anthem, available on Spotify and Apple Music (https://music.apple.com), captures the tender ache of longing and reconnection, perfectly mirroring the anime’s coming-of-age tales. With its delicate yet cinematic production, Rubble blends heartfelt lyrics with lush instrumentation, showcasing Suda’s signature bedroom-pop style that resonates deeply with young audiences. The music video and non-credit anime opening, viewable on YouTube (https://www.youtube.com/watch?v=Rubble-KeinaSuda), immerse fans in its emotional world.
Captivated, by You, adapted from Yama Wayama’s manga and animated by Doga Kobo under director Asami Nakatani, premiered on August 21, 2025, airing weekly on Crunchyroll. The series follows Miyoshi Hayashi, a mysterious second-year at an all-boys school, and Akira Nikaidou, navigating a “reverse high school debut,” weaving omnibus-style stories of fleeting encounters and adolescent growth. Suda’s Rubble, arranged with Kou Akayama, enhances the narrative with lyrics like, “May I come to see you again? May I know what love is? Forever, I’m crazy about you,” reflecting the characters’ yearning and vulnerability. The track’s evocative tone, as noted on Lyrical Nonsense, aligns with Wayama’s storytelling, known from Let’s Go Karaoke!.
Suda, born January 20, 1993, began as Balloon in 2013, with his Vocaloid hit Charles amassing over 150 million YouTube views. Transitioning to his own name in 2017, his 2021 album Billow hit #7 on Oricon’s Weekly Chart, followed by 2023’s Ghost Pop, featuring anime themes like Darling and Mellow. His work spans Fire Force, Skip to Loafer, and Tsuki ga Michibiku Isekai Douchuu 2, earning him 119 favorites on MyAnimeList. Rubble, a standalone single (3:23 duration), continues this legacy, with its “cinematic bedroom-pop” sound praised by fans on X for its emotional depth and synergy with the anime’s introspective vibe.
The single’s release aligns with the anime’s global buzz, highlighted by Anime News Network and OurAnimeWorld for its poignant fit with Wayama’s narrative. Suda’s ability to craft songs that feel both intimate and expansive—evident in lines like “The wind blows, the flowers scatter—how many times has it been?”—makes Rubble a standout. While no physical release is noted, digital availability ensures accessibility for fans worldwide. As Suda’s discography grows, Rubble cements his knack for capturing the heart of anime storytelling, inviting listeners to embrace the foolish, fervent pull of love and memory.
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©2025 Yama Wayama/KADOKAWA/Captivated, by You
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