Listen to Serenity's Caress Unfolding (Key Gb Ver.) online. Serenity's Caress Unfolding (Key Gb Ver.) is an Unknown language song and is sung by Euro Cute Jazz. Serenity's Caress Unfolding (Key Gb Ver.), from the album 仕事を効率的に行うためのBGM, was released in the year 2025. The duration of the song is 2:15. Download Unknown songs online from JioSaavn.