It might work better as the title of an event, rather than a band name, such as:

*you enter the music shop to discover the shopkeep hiding behind the counter, staring blankly into space and whimpering "my profit margin . . . my profit margin . . ."*
"Oh, so I see you've had the Tsumugi Kotobuki Experience, then?"

"This is probably a stupid question, but . . ."