ALBUM
STU48
2019
Lyrics for this song have yet to be released
海の色を知ってるか? (Umi no Iro wo Shitteru ka?) - off vocal ver. was produced by 秋元康 (Yasushi Akimoto).
STU48 released 海の色を知ってるか? (Umi no Iro wo Shitteru ka?) - off vocal ver. on Wed Jul 31 2019.