観測史上

観測史上 a song by Akishibu Project on Soniditos

The First Summer by Akishibu Project ,
夏のかけら by Akishibu Project ,
観測史上 by Akishibu Project ,
The First Summer (Instrumental) by Akishibu Project ,
夏のかけら (Instrumental) by Akishibu Project ,
観測史上 (Instrumental) by Akishibu Project ,