More info: https://dlraw.net/%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89/MAD-SUMMER-SCHOOL--%E3%83%9E%E3%83%83%E3%83%89%E3%82%B5%E3%83%9E%E3%83%BC%E3%82%B9%E3%82%AF%E3%83%BC%E3%83%AB-/ ---