Listen to 星の鼓動 (いもウザ)・Heartbeat of the Stars (My Friend's Little Sister Has It In for Me!) (オルゴール Music Box) online. 星の鼓動 (いもウザ)・Heartbeat of the Stars (My Friend's Little Sister Has It In for Me!) (オルゴール Music Box) is an Instrumental language song and is sung by Relaxu. 星の鼓動 (いもウザ)・Heartbeat of the Stars (My Friend's Little Sister Has It In for Me!) (オルゴール Music Box), from the album Animusic Box Collection, Vol. 58, was released in the year 2025. The duration of the song is 1:19. Download Instrumental songs online from JioSaavn.