The debut single from anime voice actress and J-pop singer Sumire Uesaka.
Title track "Nanatsu no Umi Yori Kimi no Umi" (「七つの海よりキミの海」) is the anime Namiuchigiwa no Muromi-san opening theme song.
The first three tracks of the single are included on Sumire Uesaka's first album Kakumeiteki Broadway Shugisha Doumei.
01. Nanatsu no Umi Yori Kimi no Umi
02. Waga Hata no Moto e to Tsudoitamae
03. Warera to Warera no Michi o
04. Nanatsu no Umi Yori Kimi no Umi (instrumental)