Peaceful Affairs with Force: War Against All Realms

Newbie writers, please bear with me! I thought that I would live an ordinary life without any troubles in my life, paying off the mortgage with a small salary; taking care of the elderly and raising the children, and that would be it for the rest of my life! Hello! Hello! Hello! Host, your system has arrived, please receive it in time! ... The plug-in has arrived! Then please let me face the sea and the flowers are blooming in spring. All realms... Come to fight! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.