Then the first to reply to Reborn's answer was Hayane as she said: "Do you actually mean Reborn-san that the book that boss accidentally acquired is actually one of the rarest types of book to date about the DW Era which is an alchemy book."
When Reborn heard this, he just nodded at what Hayane said, and Reborn replied "I'm sure this is a genuine copy from the DW Era. As you most know... oh wait most of the people here hadn't been told about this history yet right."
When Reborn looked at everyone beside Kyou, Hayane, Shammal and Bianchi, he saw that all of them nodded and Lambo then said: "Yeah what is that DW Era you're talking about I haven't anything like that from my Familia?"
Reborn sighed at this as he didn't want to explain it, but he knew he had to as if he did, they would not understand what He was about to explain. After thinking this Reborn let out a larger breath, he was holding and finally said "Ugh I guess I need to explain it to you brats huh and Maman. But I'll say this now I won't repeat anything ok so listen carefully and Bianchi can you get the movie player in Tsuna's room for a sec so they can at least see some visualization of my explanation."
Bianchi nodded at what Reborn said and after a few minutes. Bianchi had now brought out the movie player Reborn had told her to get. After thanking Bianchi for taking the movie player Reborn then made Leon Transform into a film which Reborn had placed Leon inside the Movie Player.
Then after placing Leon inside the Movie Player Reborn finally said "Ok well I guess I can start telling you all about DW Era. And don't worry about Leon being used as a Film, Leon's indestructible anyway."
"Ok, now I'll start, more than 1000 years ago at the same age when Humanity was starting to become more intelligent along with the other races which as you know are members of the other factions such as the Magic Factions, Beast Factions, Demon Factions, Gods Factions, etc."
"A 1000 years ago, according to legends their where only normal animals and humans. had lived without any special ability or anything the ancient humans were only. Able to survive due to the intelligence of humans back then. However at one time almost 1000 years ago Human's started developing special abilities such as Magic, Chakra, Ki and of course our Dying Will Flames."
"And in this times some animals had also evolved into three factions which are now known as Beast Faction, which was made of animals who were now just able to stand with two legs and talk like a human. the second faction is the Demi Factions which are animals that transformed into human-like beings only retaining certain animals characteristics like a normal looking human but having real-life cat ears and tails."
"And the last faction was just. Animals who was influenced by magic and became a vicious beast which is similar to wild animals but significantly stronger. this faction is one of the few factions with an only limited amount of intelligent people as most members of these factions are wild and doesn't have enough intelligence to the be able to talk with the other factions."
"In these years when Human's started getting these special abilities that were the time when the factions slowly started to form, and various humans and beasts/Animals started to take others in certain regions and which is know now as faction borders."
"And Fun fact to all of you, those things in manga, anime and novels you might have read some of them might genuinely be real. Similar to the group about elves, demons, yokai, spirits gods, etc. and even systems which you may have heard of in some of the fanfics or novels. However, extremely rare and can mostly happen to 1 in a billion a person in this world is said to be given a system, and in history, it recorded many great men, and some of them are wielders of Systems."
When Tsuna heard this, he became astonished. However, he successfully managed to maintain his poker face so that Reborn wouldn't notice his expression as Tsuna thought 'Wait does that mean that I'm possibly not the only one. With a system in this world.' but as Tsuna said this, he heard Reborn continue saying.
"Although in the last 20 years no one with a system is discovered or at least showed themselves to the world yet. And don't think that everyone who had a system in the world was powerful some of the systems that someone had gotten was a weakness system which made him extremely weak and instead of becoming a powerful person and some systems also doesn't always have to do with strength as the last recorded system user had a business system which in turn made him the richest man in the world."
When Tsuna heard Reborn's word, he let out a sigh of relief in his mind as he thought that he was actually gotten lucky and had gotten a system which actually seems to be pretty powerful and useful.
Then Reborn continued saying "And aside from that trope of having a system is real, reincarnation or being summoned to another world is also. Real. As you know most commonly an unknown divine object shaped like a truck most of the time runs over either a highschool kid or a middle-aged man. Base on the cooperation of various factions including ours it seems that the truck shaped divine object seems to be a divine tool owned by a being higher than our world and the gods of our own world as well."
"So the Various Factions had agreed that if an incident like this happens we most commonly cover up the story or we won't let the new even spread it so to protect this divine object. Like the last time, we tried to stop it the divine object started teleporting to some of the various factions locations and killed some of their personnel and staff."