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 Castle Castle Points: 0 Population: 1 Skills: - Door Manipulation - Lighting Manipulation - Self-Repair Access: - System Shop (require points to unlock) ____________________________________________ If you enjoyed Reincarnated as a Slime, you’ll love this. It's a story packed with systems, leveling, and kingdom-building fun! Featuring: - A non-human MC. - A greedy system. - A basement full of killer raccoons. - Equipment crafting, quest creation, farming, summoning, mining, follower leveling, monster taming, and more. - Fun, large-scale kingdom building and war. - Sexy monster girls and muscular monster dudes. (Yes, they reproduce, and their babies can inherit skills and traits!) ___ Warning: There will be a little bit sexual content and fan service. But this story is NOT smut. There will be NO explicit description of sex.  Update schedule: 1 chapter Daily.