you are a man and this world is full of men, and omegaver

You in the real world are lost in the forest, suddenly you see a portal when you want to enter, there is an assistant in the form of a cat waiting for its new master

the cat is named "Neko" Neko is an assistant for new people who enter the portal, all men and no women there

you enter the portal and suddenly you are in another world full of men with the status of aplha male, omega male, Enigma male

"Welcome, sir!"