How many movies have Helyna Goya and M. dot Strange collaborated on?

They have worked on 1 movie together! Their first movie together was Heart String Marionette (2012) and was their highest rated movie together. They have not worked together since Heart String Marionette (2012).

Role
River Girl (voice)
Crew
Director
Crew
Script
Role
Tatsuya (voice)
Crew
Animation
Crew
Sound Designer
Crew
Foley Artist
Crew
Sound Mixer