Rumia
Rumia is a youkai and an antagonist in the Touhou Project series, first appearing as the Stage 1 boss of the first game in Touhou Project: Embodiment of Scarlet Devil.
She can manipulate darkness, but judging from what she says about her in her first appearance, she is only powerful enough to make it seem like late evening. Apparently she is quite simple-minded, but isn't featured in enough conversations for details about her personality to be revealed. Rumia's hair ribbon is actually an amulet. She can't touch it, so she can't take it off.
According to comments about her in the Bunbunmaru Newspaper and in Perfect Memento it seems th...read more