Presamp Preset Editor
This plugin is used for editing settings for presamp. You can edit both the default global settings, and create+edit settings for the individual voicebank. When editing individual voicebank settings, you have the option of only saving some parts of the settings and leaving others at their default values.
Download the original Japanese plugin from the source link above. Scroll down to preview the translation and to download the translated text file for the plugin.
The untranslatable text says “Take VC length from VC OTO. Uses CV OTO by default.”