I Asked You to Take Charge of the Castle and Summoned the Angels?

Lin Luo traveled through the era of the National Castle and became the son of a city lord. He also activated the god-level design system, which allowed him to improve as long as he drew design drawings. It happened that the city lord was out and asked Lin Luo to take charge of the castle. However, he just wanted to quietly improve himself until his father came back. Unintentionally, a knight obtained Lin Luo's weapon design and successfully made a weapon. Lin Luo discovered that anyone who built it according to his design could improve. And, everyone in the city is a construction genius? ? ? Later, Lin Luo handed over all the design drawings to them. Soon after. "I actually made the Holy Sword of Light, which can attack with holy light!" "Haha, I actually made the Elf King's summoning wand!" "What's the matter? I made an angel summoning staff, which can summon angels!" Three months later, the city lord returned to the castle and was shocked: "I asked you to take charge of the castle, how come you can summon angels?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.