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You can upgrade your Trial & Error products.
I'm really sorry, I don't have user registration system. So, I provide you the way that you tell me where and when you bought.
Afferward, I'll contact you which products you can upgrade your products to.

Upgrade available

  • Upgrade short version to full version or to higher quality of same products.
  • Upgrade(crossgrade) to asset sets including your products.

Upgrade unavailable

  • Upgrade(crossgrade) to other products excluding your products.

Payment method

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YouTube Channel

Full version(vol.1/Listening only)

Full version(vol.2/Listening only)

Popular songs for sale

A popular song VMwave
A popular song TAIATARI★Romance feat. GUMI

Popular songs for free

A popular song 1・2 no 3・4 feat. Hatsune Miku
A popular song Rainy day

Buy me a coffee

Buy Me a Coffee at ko-fi.com
You can buy me a coffee from 3 USD!
If you do and I have saved a good deal, I restart making songs for free!