As can be seen from the examples of Hachiro KIYOKAWA and Sanyo RAI, who as filial duty let their birth mothers have fun at the ageya (a high-class restaurant where courtesans or geisha were called to entertain customers), Shimabara was different from what the public negatively considers the 'yukaku' (red-light district) to be.
清河八郎や頼山陽のように、実母を「親孝行」として揚屋で遊ばせた例があり、世間一般に誤解されがちな「遊廓」とは異なる存在であることがわかる。