Datang: I'm Just a Low-Key Inventor

Fang Jun traveled through the Tang Dynasty and became the unlucky fiancé of Princess Gaoyang in history? This is unlucky! "Ding, the invention system is loaded." Food and drink items are loaded successfully... Daily necessities items are loaded successfully... Medical and pharmaceutical items were loaded successfully... Household appliances items are loaded successfully... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.