Reddit reviews One Take Man: One Punch Man Original Sound Track

http://www.amazon.co.jp/gp/product/B016V80URM/

http://www.cdjapan.co.jp/product/LACA-15536

~28€ (with shipping)

You can buy it at CD Japan, Amazon Japan, or Tokyo Otaku Mode.

I think the previews are from Amazon here ; http://www.amazon.co.jp/TVアニメ『ワンパンマン』オリジナルサウンドトラック「ONE-TAKE-MAN」-宮崎誠/dp/B016V80URM/ref=sr_1_1?s=music&ie=UTF8&qid=1452531635&sr=1-1&keywords=ワンパンマン

They were already kinda shitty there too :)

Japan doesn't really do digital downloads especially since this OST is from an anime and as such is considered a physical anime good/merchandise.

It's only a physical release because it's meant to be exclusive and worth paying to own and collect for collectors. This CD along with the Bluray releases are NOT mass market releases like the albums and movies you see at Walmart. So, it's expected that this will stay physical release only and probably be sold only online or via your local specialty shop (if they carry legit anime goods such as Kinokunyia)

tl;dr Read this, and if you really want to support OPM, save up the money and buy the physical releases instead of waiting for someone else to provide you with DL links. Buying the CD from Amazon JP (if you have a prepaid card or your CC can't pay in yen) is $37.40, or you could get it for much cheaper from CDJapan because of cheaper shipping cost. Regardless, that's less than a dollar for a song (This CD has 46 songs, which is quite a lot). If you work a few hours for minimum wage, you could easily buy this album in less then a days work.

There's really no excuse not to buy this; if you like OPM (or just really like the music), pull a Saitama and bust your ass off to buy it. Sell your hair and become bald if that's how broke you are. Most of the anime's revenue comes from DVD/Bluray and CD sales. Poor sales? No Season 2. Mediocre sales? Most likely no Season 2. Show Madhouse that you want a Season 2 by actually buying their products.