Reincarnated as a Castle - (LitRPG, Kingdom Building, Progression)

[DING!][User 'Mister X' has rewarded your novel with [Luxury Castle ×1000] — worth 5,000,000 Coins!]A webnovel author died from choking on chicken nuggets after seeing his story drowned in gifts, only to reincarnate in another world as a castle----“System, open!”[Magic Castle System]Name: Unknown CastleCastle Points: 0Population: 1Skills:- Door Manipulation- Lighting Manipulation- Inventory- Item Sell- Self-RepairAccess:- System Shop (require points to unlock)_______________What to Expect:A non-human MC.A greedy System.Equipment crafting, quest creation, farming, summoning, mining, follower leveling, monster taming, and more.Fun, large-scale kingdom building and warfare.Sexy monster girls and muscular monster dudes._______________Inspired By:That Time I Got Reincarnated as a Slime________________