Board Thread:General Discussion/@comment-2601:198:200:AC6:5DC0:DE50:5FC9:6524-20190212192445/@comment-38464016-20190224220749

I think they're out of stock, but I did find a different site selling it. https://www.bookdepository.com/Monster-Girl-Encyclopedia-Vol-1-Kenkou-Cross/9781626923614