here are some /jp/ spinoff boards

http://ota-ch.com/jp/
https://waka.lolitable.net/jp/
http://kakashi-nenpo.com/jp/
http://himasugi.org/jp/
http://merorin.com/jp/
https://warosu.org/jp/
http://what-ch.mooo.com/what/index.html
http://bunbunmaru.com/wakaba/photos/
http://samachan.org/a/
https://gensou.chakai.org/magic/
https://chakai.org/ai/wakaba.html