Artist's commentary
Digital: A Handshake Event With an Umamusume-chan!?
Shaddap, newbs.
The memetic phrase associated with the "enlightnened" expression Digital is making here. Details:
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Original expression was made by Joushima Shigeru (lead guitarist of Tokio) while on the show The Tetsuwan DASH!!, with the above quote overlayed as a 'joke' caption/subtitle.