The timing of Kuroshitsuji manga updates isn't fixed. Sometimes it depends on the author's schedule or publisher's plans. You might want to keep an eye on related fan forums or news sites for any announcements.
Overall, the Kuroshitsuji anime follows the general storyline of the manga. However, there are some changes in character development and the pacing of the story to fit the animation format.
It depends. If you're reading manga on legitimate websites that have the rights to distribute it, it's not illegal. However, if you're getting it from illegal torrent sites or unlicensed platforms, then yes, it's against the law.
The legality of reading manga online depends on the source. Legitimate platforms with proper authorization make it legal. But most random sites offering free manga are likely illegal and can get you in trouble.