[ASTRA'S (ASTRA)] Karukan (Gegege no Kitarou)
(C89) [Makino Eki (Makinosaka Shinichi)] Shounen Teitoku wa Kouwan Seiki ni Torawareteshimaimashita (Kantai Collection -KanColle-)
(C88) [Makino Eki (Makinosaka Shinichi)] Bismarck wa Shounen Teitoku kara Seifuku Shouri o Mezasu sou desu (Kantai Collection -KanColle-)
[Makino Eki (Makinosaka Shin'ichi) Kuroneko to Issho (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [Digital]
(Futaket 5) [ASTRA'S (ASTRA)] Monsuta Raibu AI
[ASTRA'S (ASTRA)] [2007-06-03] - Anmithu-seme!!
[TWOMIX (Astra, Makino Akine)] TWO REMIX (Various)
[ASTRA] Toys (Chinese)
[Makino Eki (Makinosaka Shinichi)] Menma to Issho (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai) [Digital]
[ASTRA'S (ASTRA)] [2007-11-30] - Karukan (Gegege no Kitarou)