if you could make a manga, what would it be about?

a fanfiction of ragnarok online, story about old people playing ragnarok online again, this time with capsule/dive technology where the player progress move the story of the game. They wont be strong or fight in the frontline. But they will find fun interacting with the npc, dealing with some low life thug, creating unique content that even the number 1 player found amusing, etc. The theme will be mature and slow life I think. Because I just read user eepybuni ending, I guess I will add: one of the old men dying with cancer. They connect his mind to the machine just to communicate with him one last time. In the end he will die but his memory will but recreated as AI inside the game.

Would like a manga about running a start up/small company, and the ups/downs of it all

Man, where to begin, I had several pieces of ideas I built on, but never wrote down. I guess here's some I remember:

it'd be short manga about a world where theres wagyu system where you can join a program that will give you a life of luxury funded by some some buyer till you reach certain age and youre eaten. age like 16 would be the prime time for human meat consumption. itd follow a boy whos family sold him to a rich guy for profit and he doesnt really mind it himself because he never felt a purpose in the world since he grew up with no opportunities as he came from a poor home. when he gets to the funders home, its a mansion but he lives in what is essentially a human farm with the other sold victims. theyre basically forced to work out and stay healthy in exhausting ways. and he sortve just goes with it, slaving the day away and waiting for his time to come. till one day a little girl is brought the and he feels the urge to protect her because his sister was taken as a child, and she looks like her