I just learned about this, but pupa (Takahashi Yukihiro et al.) had released on iTunes a 4-track remix EP a week before the release of album "floating pupa". 4 tracks from the album are remixed by members Takada Ren, Horie Hirohisa and Gondō Tomohiko.
pupa "floating pupa pre-remix e.p."
Cicada (Gondō remix)
floating pupa (Gondō remix)
Sunny Day Blue (Gondō & Horie remix)
Unfixed Stars (Ren remix)
Out now (6/25), ¥600 (¥150 ea.)
Sample/buy: 
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