You can earn demichroma through normal means of employment, though it isn't worth as much. I recommend supplementing with platonic means of obtaining chroma, such as headpatting and sitting shoulder-to-shoulder with someone who isn't going to be a pain about it, particularly if you are aligned with Cordis.
[ Cordis runs through your chroma really fast, otherwise Midorima would've lasted a lot longer not touching anyone. ]
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I recommend supplementing with platonic means of obtaining chroma, such as headpatting and sitting shoulder-to-shoulder with someone who isn't going to be a pain about it, particularly if you are aligned with Cordis.
[ Cordis runs through your chroma really fast, otherwise Midorima would've lasted a lot longer not touching anyone. ]