(This works for the unofficial English patched version of the game)
(Or do what's listed at https://appdb.winehq.org/objectManager.php?sClass=version&iId=27350, that fixes English text sticking together too)
WOOOOHOOOOOOO
I found a fix on my own, I hope this helps anyone trying to play this game as it surely helped me. I didn't need to do any of the steps listed on WineHQ's AppDB nor do anything using Winetricks (I'm using Wine 3.21 on Manjaro XFCE 18.0 Stable 64 bit). The bug seems to be caused by the JP locale not being enabled and missing windows fonts. You can fix this by editing your Linux/Mac system to enable the Japanese UTF-8 Locale (I did this on my system by editing one of the lines in /etc/locale.gen from
#ja_JP.UTF-8 UTF-8
to
ja_JP.UTF-8 UTF-8
removing the # before it to enable the locale and then used
locale-gen
to read from the locale configuration file and update the current locales). I ran Monster Girl Quest by using LC_ALL=ja_JP.UTF-8 wine mon_que.exe
although the command(s) for selecting wine's locale on your system may differ. The fonts need to be copied from a Windows Installation to Linux/Mac (I did this by copying from my Windows 10 Installation from C:/Windows/Fonts to /usr/share/fonts/WindowsFonts)
EDIT: Using Winetricks to install fonts breaks the above fix on my system. If you have installed Winetricks fonts and it doesn't work, try remove them from your Wine directory.
Please leave a comment or link here if anyone else is having this problem and tell me if this works for you.