just want to know more about this website since i can't access it from my country
can anyone tell me at what volumes did the website release and if it's free or per subscription?

Since it is digital copies you can buy by either chapter or volume depending on the series. I don't know if everything currently on the site is translated, never checked myself. For this one though it only has the first volume, 8 chapters, and it is about $9(US I'm guessing) though there is a sale right now so it is $5 if you could get on. There are some manga with free previews but they are only a few pages.

For payment it looks to be that you can either subscribe or buy points as you need them. The only real difference seems to be a sub will just charge you every month instead of whatever random time you chose to buy more points. Cost to point is equal, though you get a few bonus for subscribing.

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thanks for the informations