Writing Quality:A lot of mistakes but the author has been improving. So that's good, It would be a good idea to edit the first chapter though.Updates:From a lot weekly to 1 weekly. Authors say he spends 5 hours per chapter and can't do anymore. Let's believe him for now.Story:Great idea, meh execution. Focus HEAVILY on interactions between characters on the family, basically isolated from the world or government. No suspension from the government why a billionaire would construct a prepper house? Plus the information the military have? They can't connect the dots?A lot of things that in real life you would be questioned and even detained.I don't like the idea that he doesn't explore other ideas in his mind until he resolves which idea would stick around and his reason. He just have to accept that and continue.Character: Awful, just awful.Like MANY MANY authors that writes stories of people coming back from the future they forget about the personality changes that would have. Their different approaches in life, their way to deal things, if you are in a world where you have to hunt constantly for food I don't think you would be very adept to diplomatic solutions the first day you come back to the past.Second point: Loli and sister complex. The author tries too hard to make their interactions between the siblings cute. Is cringe as f.uck. I would skip them since most authors tend to rant about sis-con a lot (that took almost 5 chapters of skips mind you).The author doesn't place himself in the MC place so the interactions are awkward and cringe mostly. And all the member of the family trust 100% in him, even if the changed 180 degrees from day to night (Not even gonna ask him to see a doctor or send him to a clinic for checks).World Background:The author really tries to give a background about the story but really can't deliver in an interesting way to tell it. So he just info dump it. I put 4 stars because of the efforts he makes. But the author needs to learn to deliver the background information when is needed, not when is possible.Final Thoughts:I put myself in the MC place. I would approach it in a different way, but each person is different. I will tell you some ideas and you can take it into an account or discard it (but telling it in the story why) to make the readers think that the MC isn't going to that place because that is the perfect plan and we just have to accept it.1- Self Sustained environment. Yes, you put facilities and all that, but a "fortress house" has to ensure food and other stuff for all the population there. Clean water? Where the wastes go? Farming? Specialist about this? 2- He knows his principal enemies will be the military and mutated beast. But I don't see anything in his plan planning to counter that, only hide. I would hire scientists to teach me how to analyze animal behavior, ho to detect their weak points, alimentations, territory marks, footprints. How to dissect animals, how to make armor/weapons of their hide and limbs,etc. SO MANY BETTER WAYS TO SPEND TIME. 3. Be A-ok with the government/military on the surface, but also monitoring them. Send some of the few personals he has to monitor them or pay an underground organization to have sent them information. Information is power.TL,DR: 15 yo MC who didn't grow in the 10y in the other world, Billionaire MC so difficult set to Very Easy, Sister Complex MC, Info Dumps of Backgrounds. 2.5 Stars. My principal problem is the MC mentality. Not even the story or the nonsense blind faith they have on him. My problem is his decisions that seem based on choosing the most expensive thing on each catalog and thinks he is good to go.