Fabia Crozelg introduces it to Fuka as a "Unity-Type Device" (融合型デバイス Yūgōgata Debaisu) in appears in::ViVid Strike! (ep.5). However it is likely referring to the absorption for auxiliary control instead of the alternate name for Unison Device.
Fabia Crozelg introduces it to Fuka as a "Unity-Type Device" (融合型デバイス Yūgōgata Debaisu) in appears in::ViVid Strike! (ep.5). However it is likely referring to the absorption for auxiliary control instead of the alternate name for Unison Device.