I noticed that Japanese text displayed strangely or blurry on a lot of machines - turns out I'd forgot to include some critical fonts in the initial release build!
Sorry about that - it should be drastically improved now!
Japanese Text Hotfix
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.