Convenience store comic Is it legal business to donate money behind the new Kurosagi?

Name: Is it legal business to donate money behind the new Kurosagi?
Brand: Shogakukan
Availability: OutOfStock

※Please note that product information is not in full comprehensive meaning because of the machine translation.

Japanese title: コンビニコミック新クロサギ裏献金は、合法ビジネス!? My First BIG