They have up to 389 on their site, then a 100 chapter gap til the current. From the comments it seems those 100 are done, but they've switched to dripfeed tactics for traffic and YT views. Sort of like how they're releasing here now.
One of the few things that bums me out about the current scan scene is groups seeming desire to profit off anothers work, or even attention seeking. Might not be the case here, but it raises questions