Thank you very much for your reply!
I am looking even more forward to see the next episodes of Rainbow. I hope we get at least 24-26 episodes, or like you said if they go for the entire story some 50+ episodes and to see the manga scanlated beyond chapter 3 soon (which probably is just wishful thinking).
The opening screen in the TV broadcast episode had the statement that the show is explicit in its violence. There will be a fair bit of brutality and torture in the next few episodes (and many more). All of them would be thrown into solitary confinement at least once and some would be bound up as well. Mario (the main lead character) will have his right hand crushed. They would be left to be burned when the hostel block they are in catches fire.
Some of the 7 will be able to break out and stay out. Some will stay on to complete their sentence. In-between, there will be a fair bit of violence. When they are out, each will pursue their goal which they engraved on a tree trunk that you saw in the opening narration of the 1st episode. Each will find their path but the path will be hard for a number of them. There's some heroism as well as revenge. And there will be heartbreak and tears but also small moments of happiness, joy and camaderie.
There are altogether 235 chapters for the whole series. As to how many episodes this anime adaptation will get, it's up in the air as there is no indication anywhere. If they plan to go all the way, it can easily hit 50 episodes. That being said, do take note when the usual sponsor screens comes up after the OP and ED, they are empty So, it can mean 13 episodes or up to 26 episodes.
I do think there's a good bit of incentive and budget for the show. Look at the production. They even roped in live action actors to become seiyus as well as getting well-known seiyus involved. Heck, they even got Megumi Hayashibara just to do the narration.
I wanted to ask you, since I saw in the Rainbow anime thread that the manga is one of your favorites, if you could spoil me about the story beyond chapter 3 (scanlations are unfortunately really slow). And do you know how many episodes we will get with this anime adaptation? I would very much appreciate it, if you have the time to give me a reply.