Here are recompiled existed dmm scenes for current player version
https://mega.nz/#!5oYW0abb!qG6kMr1mS...w-h53OGeItUmYA

When there are exist dmm version of hscene you can see it button


File for this scene - Kamihime_Player\game\scenario\story_summon_003.rpy


For "Run DMM scene" button to appear there should exists accordind another file:
For Diablos this is Kamihime_Player\game\scenario_dmm\story_summon_003 _dmm.rpy


It should use same image/sound reference (or does not use it at all).