Apocalyptic Disaster, My Rental House Is Full of Beauties

[System + many beauties + decisive killing + doing whatever you want + mutation] In the end of the world, I have a system to do whatever I want, invincible in the field, the end of the world for everyone, I have a carnival by myself, a beautiful woman begs me to take in, a bottle of water makes the tsundere queen bow her head, a piece of bread makes the beautiful school beauty take the initiative, it is the end of the world and if you want to live, you can only obey me. When you think you can break your head with me, you are already a dead person in my eyes.