found a great blog for people like me, who can read Japanese but like, rusty:
https://kokoro-kinbaku.com/
so you can get recommendations of resources to dig after and apply yourself to research.
as usual not much in the lesbian or queer dimensions but you can find some great resources there including on history (e.g. 1) or on people who interest me like Kanna (2), even my idol Hōrai Kasumi (3).
1. https://kokoro-kinbaku.com/2014/08/20/nawa-yumio-history-of-torture-and-punishment-%e6%8b%b7%e5%95%8f%e5%88%91%e7%bd%b0%e5%8f%b2-1963/
2. https://kokoro-kinbaku.com/2018/08/07/kanna-interview-in-mania-club-2017/
3. https://kokoro-kinbaku.com/2016/05/18/hourai-kasumi-in-sm-mania-2010-and-2015-and-dvds/
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