Reproduction (copy), a transfer to others and an illegally copied production act don't ask about commerce and a member, and sale and a distribution work reprint a work with copyrights and a production thing without permission, and are forbidden by law in case of an invasion of a copyright. (A copyright is defended by a law.)
Something called "exchanging" "transfer" etc. on the net is also the delictum which invades a copyright as a transfer to others.
there is a penalty in the Copyright Act and a civil law.
Please stop a piracy immediately.
Don't upload and download illegally.
When we find it, we handle severely including legal measure.
Damages are claimed by a guideline by the respective sites.
When it was so, I'd like to put in mind that they're an act with serious risk as well as the case that an invasion person is in the disadvantageous position legally.
you say "I didn't know." but, This is a crime and it never changes.
I don't ask about intention and it's a crime.
We never permit a piracy.
No reproduction or republication without written permission.
As well as the unauthorized upload, it prohibits the exchange of other work.
Exchange is unauthorized secondary distribution.
The redistributing and reproduction of a copyrighted work without permission is forbidden and illegal.
regulated(Universal Copyright Convention : UCC)
Article 119 (1) A person who infringes on the copyright, right of publication or neighboring rights (excluding, however, (a) a person who reproduces by himself a work or performance, etc. for private use purposes as provided for in Article 30, paragraph (1) (including cases where applied mutatis mutandis pursuant to provisions of Article 102, paragraph (1)); (b) a person who, pursuant to the provisions of Article 113, paragraph (3), commits an act deemed to constitute an act of infringement on the copyright or neighboring rights (including rights deemed to constitute neighboring rights pursuant to the provisions of Article 113, paragraph (4); the same shall apply in Article 120-2, item (iii)); (c) a person who commits an act deemed to constitute an act of infringement on a copyright or neighboring rights pursuant to the provisions of Article 113, paragraph (5); (d) or a person described in items (iii) or (iv) of the following paragraph) shall be punishable by imprisonment with work for a term not more than ten years or by a fine of not more than ten million Yen, or by both.
The copyright holder or holder of the neighboring rights may assert against a person who, intentionally or negligently, infringes upon said holder's copyright or neighboring rights, a claim for compensation for damages in an amount corresponding to the amount of money which would be received by such holder through the exercise of its copyright or neighboring rights, as the case may be, as the amount of damages sustained by said holder.
In the case where the copyright holder, the holder of the right of publication or the holder of the neighboring rights asserts against a person who, intentionally or negligently, infringes on such holder's copyright, right of publication or neighboring rights, a claim for compensation for damages sustained, the profits, if any, obtained by the infringer by way of said his infringement will be presumed to be the amount of damages suffered by such copyright holder, holder of the right of publication or holder of the neighboring rights, as the case may be.
※I'm quoting "Japan decree translation into a foreign language data base system".